diff --git a/src/client/app/common/define-widget.ts b/src/client/app/common/define-widget.ts
index 9f8dcfc7e..7b98c0903 100644
--- a/src/client/app/common/define-widget.ts
+++ b/src/client/app/common/define-widget.ts
@@ -56,14 +56,14 @@ export default function<T extends object>(data: {
 						id: this.id,
 						data: newProps
 					}).then(() => {
-						(this as any).os.i.account.clientSettings.mobileHome.find(w => w.id == this.id).data = newProps;
+						(this as any).os.i.clientSettings.mobileHome.find(w => w.id == this.id).data = newProps;
 					});
 				} else {
 					(this as any).api('i/update_home', {
 						id: this.id,
 						data: newProps
 					}).then(() => {
-						(this as any).os.i.account.clientSettings.home.find(w => w.id == this.id).data = newProps;
+						(this as any).os.i.clientSettings.home.find(w => w.id == this.id).data = newProps;
 					});
 				}
 			}, {
diff --git a/src/client/app/common/mios.ts b/src/client/app/common/mios.ts
index 48e830810..fd267bc3f 100644
--- a/src/client/app/common/mios.ts
+++ b/src/client/app/common/mios.ts
@@ -270,7 +270,7 @@ export default class MiOS extends EventEmitter {
 				// Parse response
 				res.json().then(i => {
 					me = i;
-					me.account.token = token;
+					me.token = token;
 					done();
 				});
 			})
@@ -294,12 +294,12 @@ export default class MiOS extends EventEmitter {
 		const fetched = me => {
 			if (me) {
 				// デフォルトの設定をマージ
-				me.account.clientSettings = Object.assign({
+				me.clientSettings = Object.assign({
 					fetchOnScroll: true,
 					showMaps: true,
 					showPostFormOnTopOfTl: false,
 					gradientWindowHeader: false
-				}, me.account.clientSettings);
+				}, me.clientSettings);
 
 				// ローカルストレージにキャッシュ
 				localStorage.setItem('me', JSON.stringify(me));
@@ -329,7 +329,7 @@ export default class MiOS extends EventEmitter {
 			fetched(cachedMe);
 
 			// 後から新鮮なデータをフェッチ
-			fetchme(cachedMe.account.token, freshData => {
+			fetchme(cachedMe.token, freshData => {
 				merge(cachedMe, freshData);
 			});
 		} else {
@@ -437,7 +437,7 @@ export default class MiOS extends EventEmitter {
 		}
 
 		// Append a credential
-		if (this.isSignedIn) (data as any).i = this.i.account.token;
+		if (this.isSignedIn) (data as any).i = this.i.token;
 
 		// TODO
 		//const viaStream = localStorage.getItem('enableExperimental') == 'true';
diff --git a/src/client/app/common/scripts/streaming/drive.ts b/src/client/app/common/scripts/streaming/drive.ts
index f11573685..7ff85b594 100644
--- a/src/client/app/common/scripts/streaming/drive.ts
+++ b/src/client/app/common/scripts/streaming/drive.ts
@@ -8,7 +8,7 @@ import MiOS from '../../mios';
 export class DriveStream extends Stream {
 	constructor(os: MiOS, me) {
 		super(os, 'drive', {
-			i: me.account.token
+			i: me.token
 		});
 	}
 }
diff --git a/src/client/app/common/scripts/streaming/home.ts b/src/client/app/common/scripts/streaming/home.ts
index c19861940..e085801e1 100644
--- a/src/client/app/common/scripts/streaming/home.ts
+++ b/src/client/app/common/scripts/streaming/home.ts
@@ -10,13 +10,13 @@ import MiOS from '../../mios';
 export class HomeStream extends Stream {
 	constructor(os: MiOS, me) {
 		super(os, '', {
-			i: me.account.token
+			i: me.token
 		});
 
 		// 最終利用日時を更新するため定期的にaliveメッセージを送信
 		setInterval(() => {
 			this.send({ type: 'alive' });
-			me.account.lastUsedAt = new Date();
+			me.lastUsedAt = new Date();
 		}, 1000 * 60);
 
 		// 自分の情報が更新されたとき
diff --git a/src/client/app/common/scripts/streaming/messaging-index.ts b/src/client/app/common/scripts/streaming/messaging-index.ts
index 24f0ce0c9..84e2174ec 100644
--- a/src/client/app/common/scripts/streaming/messaging-index.ts
+++ b/src/client/app/common/scripts/streaming/messaging-index.ts
@@ -8,7 +8,7 @@ import MiOS from '../../mios';
 export class MessagingIndexStream extends Stream {
 	constructor(os: MiOS, me) {
 		super(os, 'messaging-index', {
-			i: me.account.token
+			i: me.token
 		});
 	}
 }
diff --git a/src/client/app/common/scripts/streaming/messaging.ts b/src/client/app/common/scripts/streaming/messaging.ts
index 4c593deb3..c1b5875cf 100644
--- a/src/client/app/common/scripts/streaming/messaging.ts
+++ b/src/client/app/common/scripts/streaming/messaging.ts
@@ -7,13 +7,13 @@ import MiOS from '../../mios';
 export class MessagingStream extends Stream {
 	constructor(os: MiOS, me, otherparty) {
 		super(os, 'messaging', {
-			i: me.account.token,
+			i: me.token,
 			otherparty
 		});
 
 		(this as any).on('_connected_', () => {
 			this.send({
-				i: me.account.token
+				i: me.token
 			});
 		});
 	}
diff --git a/src/client/app/common/scripts/streaming/othello-game.ts b/src/client/app/common/scripts/streaming/othello-game.ts
index f34ef3514..b85af8f72 100644
--- a/src/client/app/common/scripts/streaming/othello-game.ts
+++ b/src/client/app/common/scripts/streaming/othello-game.ts
@@ -4,7 +4,7 @@ import MiOS from '../../mios';
 export class OthelloGameStream extends Stream {
 	constructor(os: MiOS, me, game) {
 		super(os, 'othello-game', {
-			i: me ? me.account.token : null,
+			i: me ? me.token : null,
 			game: game.id
 		});
 	}
diff --git a/src/client/app/common/scripts/streaming/othello.ts b/src/client/app/common/scripts/streaming/othello.ts
index 8c6f4b9c3..f5d47431c 100644
--- a/src/client/app/common/scripts/streaming/othello.ts
+++ b/src/client/app/common/scripts/streaming/othello.ts
@@ -5,7 +5,7 @@ import MiOS from '../../mios';
 export class OthelloStream extends Stream {
 	constructor(os: MiOS, me) {
 		super(os, 'othello', {
-			i: me.account.token
+			i: me.token
 		});
 	}
 }
diff --git a/src/client/app/common/views/components/signin.vue b/src/client/app/common/views/components/signin.vue
index 17154e6b3..da7472b8c 100644
--- a/src/client/app/common/views/components/signin.vue
+++ b/src/client/app/common/views/components/signin.vue
@@ -6,7 +6,7 @@
 	<label class="password">
 		<input v-model="password" type="password" placeholder="%i18n:common.tags.mk-signin.password%" required/>%fa:lock%
 	</label>
-	<label class="token" v-if="user && user.account.twoFactorEnabled">
+	<label class="token" v-if="user && user.twoFactorEnabled">
 		<input v-model="token" type="number" placeholder="%i18n:common.tags.mk-signin.token%" required/>%fa:lock%
 	</label>
 	<button type="submit" :disabled="signing">{{ signing ? '%i18n:common.tags.mk-signin.signing-in%' : '%i18n:common.tags.mk-signin.signin%' }}</button>
@@ -43,7 +43,7 @@ export default Vue.extend({
 			(this as any).api('signin', {
 				username: this.username,
 				password: this.password,
-				token: this.user && this.user.account.twoFactorEnabled ? this.token : undefined
+				token: this.user && this.user.twoFactorEnabled ? this.token : undefined
 			}).then(() => {
 				location.reload();
 			}).catch(() => {
diff --git a/src/client/app/common/views/components/twitter-setting.vue b/src/client/app/common/views/components/twitter-setting.vue
index 082d2b435..00669cd83 100644
--- a/src/client/app/common/views/components/twitter-setting.vue
+++ b/src/client/app/common/views/components/twitter-setting.vue
@@ -1,13 +1,13 @@
 <template>
 <div class="mk-twitter-setting">
 	<p>%i18n:common.tags.mk-twitter-setting.description%<a :href="`${docsUrl}/link-to-twitter`" target="_blank">%i18n:common.tags.mk-twitter-setting.detail%</a></p>
-	<p class="account" v-if="os.i.account.twitter" :title="`Twitter ID: ${os.i.account.twitter.userId}`">%i18n:common.tags.mk-twitter-setting.connected-to%: <a :href="`https://twitter.com/${os.i.account.twitter.screenName}`" target="_blank">@{{ os.i.account.twitter.screenName }}</a></p>
+	<p class="account" v-if="os.i.twitter" :title="`Twitter ID: ${os.i.twitter.userId}`">%i18n:common.tags.mk-twitter-setting.connected-to%: <a :href="`https://twitter.com/${os.i.twitter.screenName}`" target="_blank">@{{ os.i.twitter.screenName }}</a></p>
 	<p>
-		<a :href="`${apiUrl}/connect/twitter`" target="_blank" @click.prevent="connect">{{ os.i.account.twitter ? '%i18n:common.tags.mk-twitter-setting.reconnect%' : '%i18n:common.tags.mk-twitter-setting.connect%' }}</a>
-		<span v-if="os.i.account.twitter"> or </span>
-		<a :href="`${apiUrl}/disconnect/twitter`" target="_blank" v-if="os.i.account.twitter" @click.prevent="disconnect">%i18n:common.tags.mk-twitter-setting.disconnect%</a>
+		<a :href="`${apiUrl}/connect/twitter`" target="_blank" @click.prevent="connect">{{ os.i.twitter ? '%i18n:common.tags.mk-twitter-setting.reconnect%' : '%i18n:common.tags.mk-twitter-setting.connect%' }}</a>
+		<span v-if="os.i.twitter"> or </span>
+		<a :href="`${apiUrl}/disconnect/twitter`" target="_blank" v-if="os.i.twitter" @click.prevent="disconnect">%i18n:common.tags.mk-twitter-setting.disconnect%</a>
 	</p>
-	<p class="id" v-if="os.i.account.twitter">Twitter ID: {{ os.i.account.twitter.userId }}</p>
+	<p class="id" v-if="os.i.twitter">Twitter ID: {{ os.i.twitter.userId }}</p>
 </div>
 </template>
 
@@ -25,7 +25,7 @@ export default Vue.extend({
 	},
 	mounted() {
 		this.$watch('os.i', () => {
-			if ((this as any).os.i.account.twitter) {
+			if ((this as any).os.i.twitter) {
 				if (this.form) this.form.close();
 			}
 		}, {
diff --git a/src/client/app/common/views/components/uploader.vue b/src/client/app/common/views/components/uploader.vue
index c74a1edb4..ccad50dc3 100644
--- a/src/client/app/common/views/components/uploader.vue
+++ b/src/client/app/common/views/components/uploader.vue
@@ -50,7 +50,7 @@ export default Vue.extend({
 			reader.readAsDataURL(file);
 
 			const data = new FormData();
-			data.append('i', (this as any).os.i.account.token);
+			data.append('i', (this as any).os.i.token);
 			data.append('file', file);
 
 			if (folder) data.append('folderId', folder);
diff --git a/src/client/app/desktop/api/update-avatar.ts b/src/client/app/desktop/api/update-avatar.ts
index 36a2ffe91..dc89adeb8 100644
--- a/src/client/app/desktop/api/update-avatar.ts
+++ b/src/client/app/desktop/api/update-avatar.ts
@@ -16,7 +16,7 @@ export default (os: OS) => (cb, file = null) => {
 
 		w.$once('cropped', blob => {
 			const data = new FormData();
-			data.append('i', os.i.account.token);
+			data.append('i', os.i.token);
 			data.append('file', blob, file.name + '.cropped.png');
 
 			os.api('drive/folders/find', {
diff --git a/src/client/app/desktop/api/update-banner.ts b/src/client/app/desktop/api/update-banner.ts
index e66dbf016..5f10bf285 100644
--- a/src/client/app/desktop/api/update-banner.ts
+++ b/src/client/app/desktop/api/update-banner.ts
@@ -16,7 +16,7 @@ export default (os: OS) => (cb, file = null) => {
 
 		w.$once('cropped', blob => {
 			const data = new FormData();
-			data.append('i', os.i.account.token);
+			data.append('i', os.i.token);
 			data.append('file', blob, file.name + '.cropped.png');
 
 			os.api('drive/folders/find', {
diff --git a/src/client/app/desktop/views/components/home.vue b/src/client/app/desktop/views/components/home.vue
index 7145ddce0..90e9d1b78 100644
--- a/src/client/app/desktop/views/components/home.vue
+++ b/src/client/app/desktop/views/components/home.vue
@@ -53,7 +53,7 @@
 			<div class="main">
 				<a @click="hint">カスタマイズのヒント</a>
 				<div>
-					<mk-post-form v-if="os.i.account.clientSettings.showPostFormOnTopOfTl"/>
+					<mk-post-form v-if="os.i.clientSettings.showPostFormOnTopOfTl"/>
 					<mk-timeline ref="tl" @loaded="onTlLoaded"/>
 				</div>
 			</div>
@@ -63,7 +63,7 @@
 				<component v-for="widget in widgets[place]" :is="`mkw-${widget.name}`" :key="widget.id" :ref="widget.id" :widget="widget" @chosen="warp"/>
 			</div>
 			<div class="main">
-				<mk-post-form v-if="os.i.account.clientSettings.showPostFormOnTopOfTl"/>
+				<mk-post-form v-if="os.i.clientSettings.showPostFormOnTopOfTl"/>
 				<mk-timeline ref="tl" @loaded="onTlLoaded" v-if="mode == 'timeline'"/>
 				<mk-mentions @loaded="onTlLoaded" v-if="mode == 'mentions'"/>
 			</div>
@@ -82,7 +82,10 @@ export default Vue.extend({
 		XDraggable
 	},
 	props: {
-		customize: Boolean,
+		customize: {
+			type: Boolean,
+			default: false
+		},
 		mode: {
 			type: String,
 			default: 'timeline'
@@ -104,16 +107,16 @@ export default Vue.extend({
 		home: {
 			get(): any[] {
 				//#region 互換性のため
-				(this as any).os.i.account.clientSettings.home.forEach(w => {
+				(this as any).os.i.clientSettings.home.forEach(w => {
 					if (w.name == 'rss-reader') w.name = 'rss';
 					if (w.name == 'user-recommendation') w.name = 'users';
 					if (w.name == 'recommended-polls') w.name = 'polls';
 				});
 				//#endregion
-				return (this as any).os.i.account.clientSettings.home;
+				return (this as any).os.i.clientSettings.home;
 			},
 			set(value) {
-				(this as any).os.i.account.clientSettings.home = value;
+				(this as any).os.i.clientSettings.home = value;
 			}
 		},
 		left(): any[] {
@@ -126,7 +129,7 @@ export default Vue.extend({
 	created() {
 		this.widgets.left = this.left;
 		this.widgets.right = this.right;
-		this.$watch('os.i.account.clientSettings', i => {
+		this.$watch('os.i.clientSettings', i => {
 			this.widgets.left = this.left;
 			this.widgets.right = this.right;
 		}, {
@@ -161,17 +164,17 @@ export default Vue.extend({
 		},
 		onHomeUpdated(data) {
 			if (data.home) {
-				(this as any).os.i.account.clientSettings.home = data.home;
+				(this as any).os.i.clientSettings.home = data.home;
 				this.widgets.left = data.home.filter(w => w.place == 'left');
 				this.widgets.right = data.home.filter(w => w.place == 'right');
 			} else {
-				const w = (this as any).os.i.account.clientSettings.home.find(w => w.id == data.id);
+				const w = (this as any).os.i.clientSettings.home.find(w => w.id == data.id);
 				if (w != null) {
 					w.data = data.data;
 					this.$refs[w.id][0].preventSave = true;
 					this.$refs[w.id][0].props = w.data;
-					this.widgets.left = (this as any).os.i.account.clientSettings.home.filter(w => w.place == 'left');
-					this.widgets.right = (this as any).os.i.account.clientSettings.home.filter(w => w.place == 'right');
+					this.widgets.left = (this as any).os.i.clientSettings.home.filter(w => w.place == 'left');
+					this.widgets.right = (this as any).os.i.clientSettings.home.filter(w => w.place == 'right');
 				}
 			}
 		},
diff --git a/src/client/app/desktop/views/components/note-detail.vue b/src/client/app/desktop/views/components/note-detail.vue
index 790f797ad..df7c33dfa 100644
--- a/src/client/app/desktop/views/components/note-detail.vue
+++ b/src/client/app/desktop/views/components/note-detail.vue
@@ -115,7 +115,7 @@ export default Vue.extend({
 		isRenote(): boolean {
 			return (this.note.renote &&
 				this.note.text == null &&
-				this.note.mediaIds == null &&
+				this.note.mediaIds.length == 0 &&
 				this.note.poll == null);
 		},
 		p(): any {
@@ -168,7 +168,7 @@ export default Vue.extend({
 
 		// Draw map
 		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
+			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.clientSettings.showMaps : true;
 			if (shouldShowMap) {
 				(this as any).os.getGoogleMaps().then(maps => {
 					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
diff --git a/src/client/app/desktop/views/components/notes.note.vue b/src/client/app/desktop/views/components/notes.note.vue
index 924642c01..4547ac58b 100644
--- a/src/client/app/desktop/views/components/notes.note.vue
+++ b/src/client/app/desktop/views/components/notes.note.vue
@@ -5,25 +5,25 @@
 	</div>
 	<div class="renote" v-if="isRenote">
 		<p>
-			<router-link class="avatar-anchor" :to="`/@${acct}`" v-user-preview="note.userId">
+			<router-link class="avatar-anchor" :to="`/@${getAcct(note.user)}`" v-user-preview="note.userId">
 				<img class="avatar" :src="`${note.user.avatarUrl}?thumbnail&size=32`" alt="avatar"/>
 			</router-link>
 			%fa:retweet%
 			<span>{{ '%i18n:desktop.tags.mk-timeline-note.reposted-by%'.substr(0, '%i18n:desktop.tags.mk-timeline-note.reposted-by%'.indexOf('{')) }}</span>
-			<a class="name" :href="`/@${acct}`" v-user-preview="note.userId">{{ getUserName(note.user) }}</a>
+			<a class="name" :href="`/@${getAcct(note.user)}`" v-user-preview="note.userId">{{ getUserName(note.user) }}</a>
 			<span>{{ '%i18n:desktop.tags.mk-timeline-note.reposted-by%'.substr('%i18n:desktop.tags.mk-timeline-note.reposted-by%'.indexOf('}') + 1) }}</span>
 		</p>
 		<mk-time :time="note.createdAt"/>
 	</div>
 	<article>
-		<router-link class="avatar-anchor" :to="`/@${acct}`">
+		<router-link class="avatar-anchor" :to="`/@${getAcct(p.user)}`">
 			<img class="avatar" :src="`${p.user.avatarUrl}?thumbnail&size=64`" alt="avatar" v-user-preview="p.user.id"/>
 		</router-link>
 		<div class="main">
 			<header>
-				<router-link class="name" :to="`/@${acct}`" v-user-preview="p.user.id">{{ acct }}</router-link>
-				<span class="is-bot" v-if="p.user.host === null && p.user.account.isBot">bot</span>
-				<span class="username">@{{ acct }}</span>
+				<router-link class="name" :to="`/@${getAcct(p.user)}`" v-user-preview="p.user.id">{{ getUserName(p) }}</router-link>
+				<span class="is-bot" v-if="p.user.host === null && p.user.isBot">bot</span>
+				<span class="username">@{{ getAcct(p.user) }}</span>
 				<div class="info">
 					<span class="app" v-if="p.app">via <b>{{ p.app.name }}</b></span>
 					<span class="mobile" v-if="p.viaMobile">%fa:mobile-alt%</span>
@@ -117,21 +117,18 @@ export default Vue.extend({
 		return {
 			isDetailOpened: false,
 			connection: null,
-			connectionId: null
+			connectionId: null,
+			getAcct,
+			getUserName
 		};
 	},
 
 	computed: {
-		acct(): string {
-			return getAcct(this.p.user);
-		},
-		name(): string {
-			return getUserName(this.p.user);
-		},
+
 		isRenote(): boolean {
 			return (this.note.renote &&
 				this.note.text == null &&
-				this.note.mediaIds == null &&
+				this.note.mediaIds.length == 0 &&
 				this.note.poll == null);
 		},
 		p(): any {
@@ -178,7 +175,7 @@ export default Vue.extend({
 
 		// Draw map
 		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
+			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.clientSettings.showMaps : true;
 			if (shouldShowMap) {
 				(this as any).os.getGoogleMaps().then(maps => {
 					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
diff --git a/src/client/app/desktop/views/components/post-detail.vue b/src/client/app/desktop/views/components/post-detail.vue
index 790f797ad..df7c33dfa 100644
--- a/src/client/app/desktop/views/components/post-detail.vue
+++ b/src/client/app/desktop/views/components/post-detail.vue
@@ -115,7 +115,7 @@ export default Vue.extend({
 		isRenote(): boolean {
 			return (this.note.renote &&
 				this.note.text == null &&
-				this.note.mediaIds == null &&
+				this.note.mediaIds.length == 0 &&
 				this.note.poll == null);
 		},
 		p(): any {
@@ -168,7 +168,7 @@ export default Vue.extend({
 
 		// Draw map
 		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
+			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.clientSettings.showMaps : true;
 			if (shouldShowMap) {
 				(this as any).os.getGoogleMaps().then(maps => {
 					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
diff --git a/src/client/app/desktop/views/components/posts.post.vue b/src/client/app/desktop/views/components/posts.post.vue
index 924642c01..d7c21dfa0 100644
--- a/src/client/app/desktop/views/components/posts.post.vue
+++ b/src/client/app/desktop/views/components/posts.post.vue
@@ -22,7 +22,7 @@
 		<div class="main">
 			<header>
 				<router-link class="name" :to="`/@${acct}`" v-user-preview="p.user.id">{{ acct }}</router-link>
-				<span class="is-bot" v-if="p.user.host === null && p.user.account.isBot">bot</span>
+				<span class="is-bot" v-if="p.user.host === null && p.user.isBot">bot</span>
 				<span class="username">@{{ acct }}</span>
 				<div class="info">
 					<span class="app" v-if="p.app">via <b>{{ p.app.name }}</b></span>
@@ -131,7 +131,7 @@ export default Vue.extend({
 		isRenote(): boolean {
 			return (this.note.renote &&
 				this.note.text == null &&
-				this.note.mediaIds == null &&
+				this.note.mediaIds.length == 0 &&
 				this.note.poll == null);
 		},
 		p(): any {
@@ -178,7 +178,7 @@ export default Vue.extend({
 
 		// Draw map
 		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
+			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.clientSettings.showMaps : true;
 			if (shouldShowMap) {
 				(this as any).os.getGoogleMaps().then(maps => {
 					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
diff --git a/src/client/app/desktop/views/components/settings.2fa.vue b/src/client/app/desktop/views/components/settings.2fa.vue
index b8dd1dfd9..fb2dc30f2 100644
--- a/src/client/app/desktop/views/components/settings.2fa.vue
+++ b/src/client/app/desktop/views/components/settings.2fa.vue
@@ -2,8 +2,8 @@
 <div class="2fa">
 	<p>%i18n:desktop.tags.mk-2fa-setting.intro%<a href="%i18n:desktop.tags.mk-2fa-setting.url%" target="_blank">%i18n:desktop.tags.mk-2fa-setting.detail%</a></p>
 	<div class="ui info warn"><p>%fa:exclamation-triangle%%i18n:desktop.tags.mk-2fa-setting.caution%</p></div>
-	<p v-if="!data && !os.i.account.twoFactorEnabled"><button @click="register" class="ui primary">%i18n:desktop.tags.mk-2fa-setting.register%</button></p>
-	<template v-if="os.i.account.twoFactorEnabled">
+	<p v-if="!data && !os.i.twoFactorEnabled"><button @click="register" class="ui primary">%i18n:desktop.tags.mk-2fa-setting.register%</button></p>
+	<template v-if="os.i.twoFactorEnabled">
 		<p>%i18n:desktop.tags.mk-2fa-setting.already-registered%</p>
 		<button @click="unregister" class="ui">%i18n:desktop.tags.mk-2fa-setting.unregister%</button>
 	</template>
@@ -54,7 +54,7 @@ export default Vue.extend({
 					password: password
 				}).then(() => {
 					(this as any).apis.notify('%i18n:desktop.tags.mk-2fa-setting.unregistered%');
-					(this as any).os.i.account.twoFactorEnabled = false;
+					(this as any).os.i.twoFactorEnabled = false;
 				});
 			});
 		},
@@ -64,7 +64,7 @@ export default Vue.extend({
 				token: this.token
 			}).then(() => {
 				(this as any).apis.notify('%i18n:desktop.tags.mk-2fa-setting.success%');
-				(this as any).os.i.account.twoFactorEnabled = true;
+				(this as any).os.i.twoFactorEnabled = true;
 			}).catch(() => {
 				(this as any).apis.notify('%i18n:desktop.tags.mk-2fa-setting.failed%');
 			});
diff --git a/src/client/app/desktop/views/components/settings.api.vue b/src/client/app/desktop/views/components/settings.api.vue
index 0d5921ab7..5831f8207 100644
--- a/src/client/app/desktop/views/components/settings.api.vue
+++ b/src/client/app/desktop/views/components/settings.api.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="root api">
-	<p>Token: <code>{{ os.i.account.token }}</code></p>
+	<p>Token: <code>{{ os.i.token }}</code></p>
 	<p>%i18n:desktop.tags.mk-api-info.intro%</p>
 	<div class="ui info warn"><p>%fa:exclamation-triangle%%i18n:desktop.tags.mk-api-info.caution%</p></div>
 	<p>%i18n:desktop.tags.mk-api-info.regeneration-of-token%</p>
diff --git a/src/client/app/desktop/views/components/settings.profile.vue b/src/client/app/desktop/views/components/settings.profile.vue
index 28be48e0a..324a939f9 100644
--- a/src/client/app/desktop/views/components/settings.profile.vue
+++ b/src/client/app/desktop/views/components/settings.profile.vue
@@ -24,7 +24,7 @@
 	<button class="ui primary" @click="save">%i18n:desktop.tags.mk-profile-setting.save%</button>
 	<section>
 		<h2>その他</h2>
-		<mk-switch v-model="os.i.account.isBot" @change="onChangeIsBot" text="このアカウントはbotです"/>
+		<mk-switch v-model="os.i.isBot" @change="onChangeIsBot" text="このアカウントはbotです"/>
 	</section>
 </div>
 </template>
@@ -43,9 +43,9 @@ export default Vue.extend({
 	},
 	created() {
 		this.name = (this as any).os.i.name || '';
-		this.location = (this as any).os.i.account.profile.location;
+		this.location = (this as any).os.i.profile.location;
 		this.description = (this as any).os.i.description;
-		this.birthday = (this as any).os.i.account.profile.birthday;
+		this.birthday = (this as any).os.i.profile.birthday;
 	},
 	methods: {
 		updateAvatar() {
@@ -63,7 +63,7 @@ export default Vue.extend({
 		},
 		onChangeIsBot() {
 			(this as any).api('i/update', {
-				isBot: (this as any).os.i.account.isBot
+				isBot: (this as any).os.i.isBot
 			});
 		}
 	}
diff --git a/src/client/app/desktop/views/components/settings.vue b/src/client/app/desktop/views/components/settings.vue
index fd82c171c..4184ae82c 100644
--- a/src/client/app/desktop/views/components/settings.vue
+++ b/src/client/app/desktop/views/components/settings.vue
@@ -20,7 +20,7 @@
 
 		<section class="web" v-show="page == 'web'">
 			<h1>動作</h1>
-			<mk-switch v-model="os.i.account.clientSettings.fetchOnScroll" @change="onChangeFetchOnScroll" text="スクロールで自動読み込み">
+			<mk-switch v-model="os.i.clientSettings.fetchOnScroll" @change="onChangeFetchOnScroll" text="スクロールで自動読み込み">
 				<span>ページを下までスクロールしたときに自動で追加のコンテンツを読み込みます。</span>
 			</mk-switch>
 			<mk-switch v-model="autoPopout" text="ウィンドウの自動ポップアウト">
@@ -33,11 +33,11 @@
 			<div class="div">
 				<button class="ui button" @click="customizeHome">ホームをカスタマイズ</button>
 			</div>
-			<mk-switch v-model="os.i.account.clientSettings.showPostFormOnTopOfTl" @change="onChangeShowPostFormOnTopOfTl" text="タイムライン上部に投稿フォームを表示する"/>
-			<mk-switch v-model="os.i.account.clientSettings.showMaps" @change="onChangeShowMaps" text="マップの自動展開">
+			<mk-switch v-model="os.i.clientSettings.showPostFormOnTopOfTl" @change="onChangeShowPostFormOnTopOfTl" text="タイムライン上部に投稿フォームを表示する"/>
+			<mk-switch v-model="os.i.clientSettings.showMaps" @change="onChangeShowMaps" text="マップの自動展開">
 				<span>位置情報が添付された投稿のマップを自動的に展開します。</span>
 			</mk-switch>
-			<mk-switch v-model="os.i.account.clientSettings.gradientWindowHeader" @change="onChangeGradientWindowHeader" text="ウィンドウのタイトルバーにグラデーションを使用"/>
+			<mk-switch v-model="os.i.clientSettings.gradientWindowHeader" @change="onChangeGradientWindowHeader" text="ウィンドウのタイトルバーにグラデーションを使用"/>
 		</section>
 
 		<section class="web" v-show="page == 'web'">
@@ -57,7 +57,7 @@
 
 		<section class="web" v-show="page == 'web'">
 			<h1>モバイル</h1>
-			<mk-switch v-model="os.i.account.clientSettings.disableViaMobile" @change="onChangeDisableViaMobile" text="「モバイルからの投稿」フラグを付けない"/>
+			<mk-switch v-model="os.i.clientSettings.disableViaMobile" @change="onChangeDisableViaMobile" text="「モバイルからの投稿」フラグを付けない"/>
 		</section>
 
 		<section class="web" v-show="page == 'web'">
@@ -86,7 +86,7 @@
 
 		<section class="notification" v-show="page == 'notification'">
 			<h1>通知</h1>
-			<mk-switch v-model="os.i.account.settings.autoWatch" @change="onChangeAutoWatch" text="投稿の自動ウォッチ">
+			<mk-switch v-model="os.i.settings.autoWatch" @change="onChangeAutoWatch" text="投稿の自動ウォッチ">
 				<span>リアクションしたり返信したりした投稿に関する通知を自動的に受け取るようにします。</span>
 			</mk-switch>
 		</section>
diff --git a/src/client/app/desktop/views/components/timeline.vue b/src/client/app/desktop/views/components/timeline.vue
index 6d049eee9..ea8f0053b 100644
--- a/src/client/app/desktop/views/components/timeline.vue
+++ b/src/client/app/desktop/views/components/timeline.vue
@@ -107,7 +107,7 @@ export default Vue.extend({
 			this.fetch();
 		},
 		onScroll() {
-			if ((this as any).os.i.account.clientSettings.fetchOnScroll !== false) {
+			if ((this as any).os.i.clientSettings.fetchOnScroll !== false) {
 				const current = window.scrollY + window.innerHeight;
 				if (current > document.body.offsetHeight - 8) this.more();
 			}
diff --git a/src/client/app/desktop/views/components/ui.header.vue b/src/client/app/desktop/views/components/ui.header.vue
index 7d93847fa..527d10843 100644
--- a/src/client/app/desktop/views/components/ui.header.vue
+++ b/src/client/app/desktop/views/components/ui.header.vue
@@ -37,8 +37,8 @@ import getUserName from '../../../../../renderers/get-user-name';
 
 export default Vue.extend({
 	computed: {
-		name() {
-			return getUserName(this.os.i);
+		name(): string {
+			return getUserName((this as any).os.i);
 		}
 	},
 	components: {
@@ -51,9 +51,9 @@ export default Vue.extend({
 	},
 	mounted() {
 		if ((this as any).os.isSignedIn) {
-			const ago = (new Date().getTime() - new Date((this as any).os.i.account.lastUsedAt).getTime()) / 1000
+			const ago = (new Date().getTime() - new Date((this as any).os.i.lastUsedAt).getTime()) / 1000
 			const isHisasiburi = ago >= 3600;
-			(this as any).os.i.account.lastUsedAt = new Date();
+			(this as any).os.i.lastUsedAt = new Date();
 			if (isHisasiburi) {
 				(this.$refs.welcomeback as any).style.display = 'block';
 				(this.$refs.main as any).style.overflow = 'hidden';
diff --git a/src/client/app/desktop/views/components/widget-container.vue b/src/client/app/desktop/views/components/widget-container.vue
index 68c5bcb8d..188a67313 100644
--- a/src/client/app/desktop/views/components/widget-container.vue
+++ b/src/client/app/desktop/views/components/widget-container.vue
@@ -24,8 +24,8 @@ export default Vue.extend({
 	computed: {
 		withGradient(): boolean {
 			return (this as any).os.isSignedIn
-				? (this as any).os.i.account.clientSettings.gradientWindowHeader != null
-					? (this as any).os.i.account.clientSettings.gradientWindowHeader
+				? (this as any).os.i.clientSettings.gradientWindowHeader != null
+					? (this as any).os.i.clientSettings.gradientWindowHeader
 					: false
 				: false;
 		}
diff --git a/src/client/app/desktop/views/components/window.vue b/src/client/app/desktop/views/components/window.vue
index 48dc46feb..e2cab2179 100644
--- a/src/client/app/desktop/views/components/window.vue
+++ b/src/client/app/desktop/views/components/window.vue
@@ -92,8 +92,8 @@ export default Vue.extend({
 		},
 		withGradient(): boolean {
 			return (this as any).os.isSignedIn
-				? (this as any).os.i.account.clientSettings.gradientWindowHeader != null
-					? (this as any).os.i.account.clientSettings.gradientWindowHeader
+				? (this as any).os.i.clientSettings.gradientWindowHeader != null
+					? (this as any).os.i.clientSettings.gradientWindowHeader
 					: false
 				: false;
 		}
diff --git a/src/client/app/desktop/views/pages/user/user.header.vue b/src/client/app/desktop/views/pages/user/user.header.vue
index 5c6746d5d..ceeb78431 100644
--- a/src/client/app/desktop/views/pages/user/user.header.vue
+++ b/src/client/app/desktop/views/pages/user/user.header.vue
@@ -9,7 +9,7 @@
 		<div class="title">
 			<p class="name">{{ name }}</p>
 			<p class="username">@{{ acct }}</p>
-			<p class="location" v-if="user.host === null && user.account.profile.location">%fa:map-marker%{{ user.account.profile.location }}</p>
+			<p class="location" v-if="user.host === null && user.profile.location">%fa:map-marker%{{ user.profile.location }}</p>
 		</div>
 		<footer>
 			<router-link :to="`/@${acct}`" :data-active="$parent.page == 'home'">%fa:home%概要</router-link>
diff --git a/src/client/app/desktop/views/pages/user/user.home.vue b/src/client/app/desktop/views/pages/user/user.home.vue
index ed3b1c710..c254a320c 100644
--- a/src/client/app/desktop/views/pages/user/user.home.vue
+++ b/src/client/app/desktop/views/pages/user/user.home.vue
@@ -5,7 +5,7 @@
 			<x-profile :user="user"/>
 			<x-photos :user="user"/>
 			<x-followers-you-know v-if="os.isSignedIn && os.i.id != user.id" :user="user"/>
-			<p v-if="user.host === null">%i18n:desktop.tags.mk-user.last-used-at%: <b><mk-time :time="user.account.lastUsedAt"/></b></p>
+			<p v-if="user.host === null">%i18n:desktop.tags.mk-user.last-used-at%: <b><mk-time :time="user.lastUsedAt"/></b></p>
 		</div>
 	</div>
 	<main>
diff --git a/src/client/app/desktop/views/pages/user/user.profile.vue b/src/client/app/desktop/views/pages/user/user.profile.vue
index 2a82ba786..44f20c2bc 100644
--- a/src/client/app/desktop/views/pages/user/user.profile.vue
+++ b/src/client/app/desktop/views/pages/user/user.profile.vue
@@ -7,11 +7,11 @@
 		<p v-if="!user.isMuted"><a @click="mute">%i18n:desktop.tags.mk-user.mute%</a></p>
 	</div>
 	<div class="description" v-if="user.description">{{ user.description }}</div>
-	<div class="birthday" v-if="user.host === null && user.account.profile.birthday">
-		<p>%fa:birthday-cake%{{ user.account.profile.birthday.replace('-', '年').replace('-', '月') + '日' }} ({{ age }}歳)</p>
+	<div class="birthday" v-if="user.host === null && user.profile.birthday">
+		<p>%fa:birthday-cake%{{ user.profile.birthday.replace('-', '年').replace('-', '月') + '日' }} ({{ age }}歳)</p>
 	</div>
-	<div class="twitter" v-if="user.host === null && user.account.twitter">
-		<p>%fa:B twitter%<a :href="`https://twitter.com/${user.account.twitter.screenName}`" target="_blank">@{{ user.account.twitter.screenName }}</a></p>
+	<div class="twitter" v-if="user.host === null && user.twitter">
+		<p>%fa:B twitter%<a :href="`https://twitter.com/${user.twitter.screenName}`" target="_blank">@{{ user.twitter.screenName }}</a></p>
 	</div>
 	<div class="status">
 		<p class="notes-count">%fa:angle-right%<a>{{ user.notesCount }}</a><b>投稿</b></p>
@@ -31,7 +31,7 @@ export default Vue.extend({
 	props: ['user'],
 	computed: {
 		age(): number {
-			return age(this.user.account.profile.birthday);
+			return age(this.user.profile.birthday);
 		}
 	},
 	methods: {
diff --git a/src/client/app/mobile/views/components/note-detail.vue b/src/client/app/mobile/views/components/note-detail.vue
index e1682e58e..483f5aaf3 100644
--- a/src/client/app/mobile/views/components/note-detail.vue
+++ b/src/client/app/mobile/views/components/note-detail.vue
@@ -127,7 +127,7 @@ export default Vue.extend({
 		isRenote(): boolean {
 			return (this.note.renote &&
 				this.note.text == null &&
-				this.note.mediaIds == null &&
+				this.note.mediaIds.length == 0 &&
 				this.note.poll == null);
 		},
 		p(): any {
@@ -165,7 +165,7 @@ export default Vue.extend({
 
 		// Draw map
 		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
+			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.clientSettings.showMaps : true;
 			if (shouldShowMap) {
 				(this as any).os.getGoogleMaps().then(maps => {
 					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
diff --git a/src/client/app/mobile/views/components/note.vue b/src/client/app/mobile/views/components/note.vue
index 4b33c6f07..295fe4d6a 100644
--- a/src/client/app/mobile/views/components/note.vue
+++ b/src/client/app/mobile/views/components/note.vue
@@ -5,25 +5,25 @@
 	</div>
 	<div class="renote" v-if="isRenote">
 		<p>
-			<router-link class="avatar-anchor" :to="`/@${acct}`">
+			<router-link class="avatar-anchor" :to="`/@${getAcct(note.user)}`">
 				<img class="avatar" :src="`${note.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
 			</router-link>
 			%fa:retweet%
 			<span>{{ '%i18n:mobile.tags.mk-timeline-note.reposted-by%'.substr(0, '%i18n:mobile.tags.mk-timeline-note.reposted-by%'.indexOf('{')) }}</span>
-			<router-link class="name" :to="`/@${acct}`">{{ name }}</router-link>
+			<router-link class="name" :to="`/@${getAcct(note.user)}`">{{ getUserName(note.user) }}</router-link>
 			<span>{{ '%i18n:mobile.tags.mk-timeline-note.reposted-by%'.substr('%i18n:mobile.tags.mk-timeline-note.reposted-by%'.indexOf('}') + 1) }}</span>
 		</p>
 		<mk-time :time="note.createdAt"/>
 	</div>
 	<article>
-		<router-link class="avatar-anchor" :to="`/@${pAcct}`">
+		<router-link class="avatar-anchor" :to="`/@${getAcct(p.user)}`">
 			<img class="avatar" :src="`${p.user.avatarUrl}?thumbnail&size=96`" alt="avatar"/>
 		</router-link>
 		<div class="main">
 			<header>
-				<router-link class="name" :to="`/@${pAcct}`">{{ pName }}</router-link>
-				<span class="is-bot" v-if="p.user.host === null && p.user.account.isBot">bot</span>
-				<span class="username">@{{ pAcct }}</span>
+				<router-link class="name" :to="`/@${getAcct(p.user)}`">{{ getUserName(p.user) }}</router-link>
+				<span class="is-bot" v-if="p.user.host === null && p.user.isBot">bot</span>
+				<span class="username">@{{ getAcct(p.user) }}</span>
 				<div class="info">
 					<span class="mobile" v-if="p.viaMobile">%fa:mobile-alt%</span>
 					<router-link class="created-at" :to="url">
@@ -95,27 +95,17 @@ export default Vue.extend({
 	data() {
 		return {
 			connection: null,
-			connectionId: null
+			connectionId: null,
+			getAcct,
+			getUserName
 		};
 	},
 
 	computed: {
-		acct(): string {
-			return getAcct(this.note.user);
-		},
-		name(): string {
-			return getUserName(this.note.user);
-		},
-		pAcct(): string {
-			return getAcct(this.p.user);
-		},
-		pName(): string {
-			return getUserName(this.p.user);
-		},
 		isRenote(): boolean {
 			return (this.note.renote &&
 				this.note.text == null &&
-				this.note.mediaIds == null &&
+				this.note.mediaIds.length == 0 &&
 				this.note.poll == null);
 		},
 		p(): any {
@@ -159,7 +149,7 @@ export default Vue.extend({
 
 		// Draw map
 		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
+			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.clientSettings.showMaps : true;
 			if (shouldShowMap) {
 				(this as any).os.getGoogleMaps().then(maps => {
 					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
diff --git a/src/client/app/mobile/views/components/post-detail.vue b/src/client/app/mobile/views/components/post-detail.vue
deleted file mode 100644
index e1682e58e..000000000
--- a/src/client/app/mobile/views/components/post-detail.vue
+++ /dev/null
@@ -1,462 +0,0 @@
-<template>
-<div class="mk-note-detail">
-	<button
-		class="more"
-		v-if="p.reply && p.reply.replyId && context == null"
-		@click="fetchContext"
-		:disabled="fetchingContext"
-	>
-		<template v-if="!contextFetching">%fa:ellipsis-v%</template>
-		<template v-if="contextFetching">%fa:spinner .pulse%</template>
-	</button>
-	<div class="context">
-		<x-sub v-for="note in context" :key="note.id" :note="note"/>
-	</div>
-	<div class="reply-to" v-if="p.reply">
-		<x-sub :note="p.reply"/>
-	</div>
-	<div class="renote" v-if="isRenote">
-		<p>
-			<router-link class="avatar-anchor" :to="`/@${acct}`">
-				<img class="avatar" :src="`${note.user.avatarUrl}?thumbnail&size=32`" alt="avatar"/>
-			</router-link>
-			%fa:retweet%
-			<router-link class="name" :to="`/@${acct}`">
-				{{ name }}
-			</router-link>
-			がRenote
-		</p>
-	</div>
-	<article>
-		<header>
-			<router-link class="avatar-anchor" :to="`/@${pAcct}`">
-				<img class="avatar" :src="`${p.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
-			</router-link>
-			<div>
-				<router-link class="name" :to="`/@${pAcct}`">{{ pName }}</router-link>
-				<span class="username">@{{ pAcct }}</span>
-			</div>
-		</header>
-		<div class="body">
-			<mk-note-html v-if="p.text" :ast="p.text" :i="os.i" :class="$style.text"/>
-			<div class="tags" v-if="p.tags && p.tags.length > 0">
-				<router-link v-for="tag in p.tags" :key="tag" :to="`/search?q=#${tag}`">{{ tag }}</router-link>
-			</div>
-			<div class="media" v-if="p.media.length > 0">
-				<mk-media-list :media-list="p.media"/>
-			</div>
-			<mk-poll v-if="p.poll" :note="p"/>
-			<mk-url-preview v-for="url in urls" :url="url" :key="url"/>
-			<a class="location" v-if="p.geo" :href="`http://maps.google.com/maps?q=${p.geo.coordinates[1]},${p.geo.coordinates[0]}`" target="_blank">%fa:map-marker-alt% 位置情報</a>
-			<div class="map" v-if="p.geo" ref="map"></div>
-			<div class="renote" v-if="p.renote">
-				<mk-note-preview :note="p.renote"/>
-			</div>
-		</div>
-		<router-link class="time" :to="`/@${pAcct}/${p.id}`">
-			<mk-time :time="p.createdAt" mode="detail"/>
-		</router-link>
-		<footer>
-			<mk-reactions-viewer :note="p"/>
-			<button @click="reply" title="%i18n:mobile.tags.mk-note-detail.reply%">
-				%fa:reply%<p class="count" v-if="p.repliesCount > 0">{{ p.repliesCount }}</p>
-			</button>
-			<button @click="renote" title="Renote">
-				%fa:retweet%<p class="count" v-if="p.renoteCount > 0">{{ p.renoteCount }}</p>
-			</button>
-			<button :class="{ reacted: p.myReaction != null }" @click="react" ref="reactButton" title="%i18n:mobile.tags.mk-note-detail.reaction%">
-				%fa:plus%<p class="count" v-if="p.reactions_count > 0">{{ p.reactions_count }}</p>
-			</button>
-			<button @click="menu" ref="menuButton">
-				%fa:ellipsis-h%
-			</button>
-		</footer>
-	</article>
-	<div class="replies" v-if="!compact">
-		<x-sub v-for="note in replies" :key="note.id" :note="note"/>
-	</div>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-import getAcct from '../../../../../acct/render';
-import getUserName from '../../../../../renderers/get-user-name';
-import parse from '../../../../../text/parse';
-
-import MkNoteMenu from '../../../common/views/components/note-menu.vue';
-import MkReactionPicker from '../../../common/views/components/reaction-picker.vue';
-import XSub from './note-detail.sub.vue';
-
-export default Vue.extend({
-	components: {
-		XSub
-	},
-
-	props: {
-		note: {
-			type: Object,
-			required: true
-		},
-		compact: {
-			default: false
-		}
-	},
-
-	data() {
-		return {
-			context: [],
-			contextFetching: false,
-			replies: []
-		};
-	},
-
-	computed: {
-		acct(): string {
-			return getAcct(this.note.user);
-		},
-		name(): string {
-			return getUserName(this.note.user);
-		},
-		pAcct(): string {
-			return getAcct(this.p.user);
-		},
-		pName(): string {
-			return getUserName(this.p.user);
-		},
-		isRenote(): boolean {
-			return (this.note.renote &&
-				this.note.text == null &&
-				this.note.mediaIds == null &&
-				this.note.poll == null);
-		},
-		p(): any {
-			return this.isRenote ? this.note.renote : this.note;
-		},
-		reactionsCount(): number {
-			return this.p.reactionCounts
-				? Object.keys(this.p.reactionCounts)
-					.map(key => this.p.reactionCounts[key])
-					.reduce((a, b) => a + b)
-				: 0;
-		},
-		urls(): string[] {
-			if (this.p.text) {
-				const ast = parse(this.p.text);
-				return ast
-					.filter(t => (t.type == 'url' || t.type == 'link') && !t.silent)
-					.map(t => t.url);
-			} else {
-				return null;
-			}
-		}
-	},
-
-	mounted() {
-		// Get replies
-		if (!this.compact) {
-			(this as any).api('notes/replies', {
-				noteId: this.p.id,
-				limit: 8
-			}).then(replies => {
-				this.replies = replies;
-			});
-		}
-
-		// Draw map
-		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
-			if (shouldShowMap) {
-				(this as any).os.getGoogleMaps().then(maps => {
-					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
-					const map = new maps.Map(this.$refs.map, {
-						center: uluru,
-						zoom: 15
-					});
-					new maps.Marker({
-						position: uluru,
-						map: map
-					});
-				});
-			}
-		}
-	},
-
-	methods: {
-		fetchContext() {
-			this.contextFetching = true;
-
-			// Fetch context
-			(this as any).api('notes/context', {
-				noteId: this.p.replyId
-			}).then(context => {
-				this.contextFetching = false;
-				this.context = context.reverse();
-			});
-		},
-		reply() {
-			(this as any).apis.post({
-				reply: this.p
-			});
-		},
-		renote() {
-			(this as any).apis.post({
-				renote: this.p
-			});
-		},
-		react() {
-			(this as any).os.new(MkReactionPicker, {
-				source: this.$refs.reactButton,
-				note: this.p,
-				compact: true
-			});
-		},
-		menu() {
-			(this as any).os.new(MkNoteMenu, {
-				source: this.$refs.menuButton,
-				note: this.p,
-				compact: true
-			});
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-@import '~const.styl'
-
-.mk-note-detail
-	overflow hidden
-	margin 0 auto
-	padding 0
-	width 100%
-	text-align left
-	background #fff
-	border-radius 8px
-	box-shadow 0 0 0 1px rgba(0, 0, 0, 0.2)
-
-	> .fetching
-		padding 64px 0
-
-	> .more
-		display block
-		margin 0
-		padding 10px 0
-		width 100%
-		font-size 1em
-		text-align center
-		color #999
-		cursor pointer
-		background #fafafa
-		outline none
-		border none
-		border-bottom solid 1px #eef0f2
-		border-radius 6px 6px 0 0
-		box-shadow none
-
-		&:hover
-			background #f6f6f6
-
-		&:active
-			background #f0f0f0
-
-		&:disabled
-			color #ccc
-
-	> .context
-		> *
-			border-bottom 1px solid #eef0f2
-
-	> .renote
-		color #9dbb00
-		background linear-gradient(to bottom, #edfde2 0%, #fff 100%)
-
-		> p
-			margin 0
-			padding 16px 32px
-
-			.avatar-anchor
-				display inline-block
-
-				.avatar
-					vertical-align bottom
-					min-width 28px
-					min-height 28px
-					max-width 28px
-					max-height 28px
-					margin 0 8px 0 0
-					border-radius 6px
-
-			[data-fa]
-				margin-right 4px
-
-			.name
-				font-weight bold
-
-		& + article
-			padding-top 8px
-
-	> .reply-to
-		border-bottom 1px solid #eef0f2
-
-	> article
-		padding 14px 16px 9px 16px
-
-		@media (min-width 500px)
-			padding 28px 32px 18px 32px
-
-		&:after
-			content ""
-			display block
-			clear both
-
-		&:hover
-			> .main > footer > button
-				color #888
-
-		> header
-			display flex
-			line-height 1.1
-
-			> .avatar-anchor
-				display block
-				padding 0 .5em 0 0
-
-				> .avatar
-					display block
-					width 54px
-					height 54px
-					margin 0
-					border-radius 8px
-					vertical-align bottom
-
-					@media (min-width 500px)
-						width 60px
-						height 60px
-
-			> div
-
-				> .name
-					display inline-block
-					margin .4em 0
-					color #777
-					font-size 16px
-					font-weight bold
-					text-align left
-					text-decoration none
-
-					&:hover
-						text-decoration underline
-
-				> .username
-					display block
-					text-align left
-					margin 0
-					color #ccc
-
-		> .body
-			padding 8px 0
-
-			> .renote
-				margin 8px 0
-
-				> .mk-note-preview
-					padding 16px
-					border dashed 1px #c0dac6
-					border-radius 8px
-
-			> .location
-				margin 4px 0
-				font-size 12px
-				color #ccc
-
-			> .map
-				width 100%
-				height 200px
-
-				&:empty
-					display none
-
-			> .mk-url-preview
-				margin-top 8px
-
-			> .media
-				> img
-					display block
-					max-width 100%
-
-			> .tags
-				margin 4px 0 0 0
-
-				> *
-					display inline-block
-					margin 0 8px 0 0
-					padding 2px 8px 2px 16px
-					font-size 90%
-					color #8d969e
-					background #edf0f3
-					border-radius 4px
-
-					&:before
-						content ""
-						display block
-						position absolute
-						top 0
-						bottom 0
-						left 4px
-						width 8px
-						height 8px
-						margin auto 0
-						background #fff
-						border-radius 100%
-
-		> .time
-			font-size 16px
-			color #c0c0c0
-
-		> footer
-			font-size 1.2em
-
-			> button
-				margin 0
-				padding 8px
-				background transparent
-				border none
-				box-shadow none
-				font-size 1em
-				color #ddd
-				cursor pointer
-
-				&:not(:last-child)
-					margin-right 28px
-
-				&:hover
-					color #666
-
-				> .count
-					display inline
-					margin 0 0 0 8px
-					color #999
-
-				&.reacted
-					color $theme-color
-
-	> .replies
-		> *
-			border-top 1px solid #eef0f2
-
-</style>
-
-<style lang="stylus" module>
-.text
-	display block
-	margin 0
-	padding 0
-	overflow-wrap break-word
-	font-size 16px
-	color #717171
-
-	@media (min-width 500px)
-		font-size 24px
-
-</style>
diff --git a/src/client/app/mobile/views/components/post-form.vue b/src/client/app/mobile/views/components/post-form.vue
index 6fcbbb47e..70be6db7b 100644
--- a/src/client/app/mobile/views/components/post-form.vue
+++ b/src/client/app/mobile/views/components/post-form.vue
@@ -111,7 +111,7 @@ export default Vue.extend({
 		},
 		post() {
 			this.posting = true;
-			const viaMobile = (this as any).os.i.account.clientSettings.disableViaMobile !== true;
+			const viaMobile = (this as any).os.i.clientSettings.disableViaMobile !== true;
 			(this as any).api('notes/create', {
 				text: this.text == '' ? undefined : this.text,
 				mediaIds: this.files.length > 0 ? this.files.map(f => f.id) : undefined,
diff --git a/src/client/app/mobile/views/components/post.vue b/src/client/app/mobile/views/components/post.vue
deleted file mode 100644
index 4b33c6f07..000000000
--- a/src/client/app/mobile/views/components/post.vue
+++ /dev/null
@@ -1,540 +0,0 @@
-<template>
-<div class="note" :class="{ renote: isRenote }">
-	<div class="reply-to" v-if="p.reply">
-		<x-sub :note="p.reply"/>
-	</div>
-	<div class="renote" v-if="isRenote">
-		<p>
-			<router-link class="avatar-anchor" :to="`/@${acct}`">
-				<img class="avatar" :src="`${note.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
-			</router-link>
-			%fa:retweet%
-			<span>{{ '%i18n:mobile.tags.mk-timeline-note.reposted-by%'.substr(0, '%i18n:mobile.tags.mk-timeline-note.reposted-by%'.indexOf('{')) }}</span>
-			<router-link class="name" :to="`/@${acct}`">{{ name }}</router-link>
-			<span>{{ '%i18n:mobile.tags.mk-timeline-note.reposted-by%'.substr('%i18n:mobile.tags.mk-timeline-note.reposted-by%'.indexOf('}') + 1) }}</span>
-		</p>
-		<mk-time :time="note.createdAt"/>
-	</div>
-	<article>
-		<router-link class="avatar-anchor" :to="`/@${pAcct}`">
-			<img class="avatar" :src="`${p.user.avatarUrl}?thumbnail&size=96`" alt="avatar"/>
-		</router-link>
-		<div class="main">
-			<header>
-				<router-link class="name" :to="`/@${pAcct}`">{{ pName }}</router-link>
-				<span class="is-bot" v-if="p.user.host === null && p.user.account.isBot">bot</span>
-				<span class="username">@{{ pAcct }}</span>
-				<div class="info">
-					<span class="mobile" v-if="p.viaMobile">%fa:mobile-alt%</span>
-					<router-link class="created-at" :to="url">
-						<mk-time :time="p.createdAt"/>
-					</router-link>
-				</div>
-			</header>
-			<div class="body">
-				<p class="channel" v-if="p.channel != null"><a target="_blank">{{ p.channel.title }}</a>:</p>
-				<div class="text">
-					<a class="reply" v-if="p.reply">
-						%fa:reply%
-					</a>
-					<mk-note-html v-if="p.text" :text="p.text" :i="os.i" :class="$style.text"/>
-					<a class="rp" v-if="p.renote != null">RP:</a>
-				</div>
-				<div class="media" v-if="p.media.length > 0">
-					<mk-media-list :media-list="p.media"/>
-				</div>
-				<mk-poll v-if="p.poll" :note="p" ref="pollViewer"/>
-				<div class="tags" v-if="p.tags && p.tags.length > 0">
-					<router-link v-for="tag in p.tags" :key="tag" :to="`/search?q=#${tag}`">{{ tag }}</router-link>
-				</div>
-				<mk-url-preview v-for="url in urls" :url="url" :key="url"/>
-				<a class="location" v-if="p.geo" :href="`http://maps.google.com/maps?q=${p.geo.coordinates[1]},${p.geo.coordinates[0]}`" target="_blank">%fa:map-marker-alt% 位置情報</a>
-				<div class="map" v-if="p.geo" ref="map"></div>
-				<span class="app" v-if="p.app">via <b>{{ p.app.name }}</b></span>
-				<div class="renote" v-if="p.renote">
-					<mk-note-preview :note="p.renote"/>
-				</div>
-			</div>
-			<footer>
-				<mk-reactions-viewer :note="p" ref="reactionsViewer"/>
-				<button @click="reply">
-					%fa:reply%<p class="count" v-if="p.repliesCount > 0">{{ p.repliesCount }}</p>
-				</button>
-				<button @click="renote" title="Renote">
-					%fa:retweet%<p class="count" v-if="p.renoteCount > 0">{{ p.renoteCount }}</p>
-				</button>
-				<button :class="{ reacted: p.myReaction != null }" @click="react" ref="reactButton">
-					%fa:plus%<p class="count" v-if="p.reactions_count > 0">{{ p.reactions_count }}</p>
-				</button>
-				<button class="menu" @click="menu" ref="menuButton">
-					%fa:ellipsis-h%
-				</button>
-			</footer>
-		</div>
-	</article>
-</div>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-import getAcct from '../../../../../acct/render';
-import getUserName from '../../../../../renderers/get-user-name';
-import parse from '../../../../../text/parse';
-
-import MkNoteMenu from '../../../common/views/components/note-menu.vue';
-import MkReactionPicker from '../../../common/views/components/reaction-picker.vue';
-import XSub from './note.sub.vue';
-
-export default Vue.extend({
-	components: {
-		XSub
-	},
-
-	props: ['note'],
-
-	data() {
-		return {
-			connection: null,
-			connectionId: null
-		};
-	},
-
-	computed: {
-		acct(): string {
-			return getAcct(this.note.user);
-		},
-		name(): string {
-			return getUserName(this.note.user);
-		},
-		pAcct(): string {
-			return getAcct(this.p.user);
-		},
-		pName(): string {
-			return getUserName(this.p.user);
-		},
-		isRenote(): boolean {
-			return (this.note.renote &&
-				this.note.text == null &&
-				this.note.mediaIds == null &&
-				this.note.poll == null);
-		},
-		p(): any {
-			return this.isRenote ? this.note.renote : this.note;
-		},
-		reactionsCount(): number {
-			return this.p.reactionCounts
-				? Object.keys(this.p.reactionCounts)
-					.map(key => this.p.reactionCounts[key])
-					.reduce((a, b) => a + b)
-				: 0;
-		},
-		url(): string {
-			return `/@${this.pAcct}/${this.p.id}`;
-		},
-		urls(): string[] {
-			if (this.p.text) {
-				const ast = parse(this.p.text);
-				return ast
-					.filter(t => (t.type == 'url' || t.type == 'link') && !t.silent)
-					.map(t => t.url);
-			} else {
-				return null;
-			}
-		}
-	},
-
-	created() {
-		if ((this as any).os.isSignedIn) {
-			this.connection = (this as any).os.stream.getConnection();
-			this.connectionId = (this as any).os.stream.use();
-		}
-	},
-
-	mounted() {
-		this.capture(true);
-
-		if ((this as any).os.isSignedIn) {
-			this.connection.on('_connected_', this.onStreamConnected);
-		}
-
-		// Draw map
-		if (this.p.geo) {
-			const shouldShowMap = (this as any).os.isSignedIn ? (this as any).os.i.account.clientSettings.showMaps : true;
-			if (shouldShowMap) {
-				(this as any).os.getGoogleMaps().then(maps => {
-					const uluru = new maps.LatLng(this.p.geo.coordinates[1], this.p.geo.coordinates[0]);
-					const map = new maps.Map(this.$refs.map, {
-						center: uluru,
-						zoom: 15
-					});
-					new maps.Marker({
-						position: uluru,
-						map: map
-					});
-				});
-			}
-		}
-	},
-
-	beforeDestroy() {
-		this.decapture(true);
-
-		if ((this as any).os.isSignedIn) {
-			this.connection.off('_connected_', this.onStreamConnected);
-			(this as any).os.stream.dispose(this.connectionId);
-		}
-	},
-
-	methods: {
-		capture(withHandler = false) {
-			if ((this as any).os.isSignedIn) {
-				this.connection.send({
-					type: 'capture',
-					id: this.p.id
-				});
-				if (withHandler) this.connection.on('note-updated', this.onStreamNoteUpdated);
-			}
-		},
-		decapture(withHandler = false) {
-			if ((this as any).os.isSignedIn) {
-				this.connection.send({
-					type: 'decapture',
-					id: this.p.id
-				});
-				if (withHandler) this.connection.off('note-updated', this.onStreamNoteUpdated);
-			}
-		},
-		onStreamConnected() {
-			this.capture();
-		},
-		onStreamNoteUpdated(data) {
-			const note = data.note;
-			if (note.id == this.note.id) {
-				this.$emit('update:note', note);
-			} else if (note.id == this.note.renoteId) {
-				this.note.renote = note;
-			}
-		},
-		reply() {
-			(this as any).apis.post({
-				reply: this.p
-			});
-		},
-		renote() {
-			(this as any).apis.post({
-				renote: this.p
-			});
-		},
-		react() {
-			(this as any).os.new(MkReactionPicker, {
-				source: this.$refs.reactButton,
-				note: this.p,
-				compact: true
-			});
-		},
-		menu() {
-			(this as any).os.new(MkNoteMenu, {
-				source: this.$refs.menuButton,
-				note: this.p,
-				compact: true
-			});
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-@import '~const.styl'
-
-.note
-	font-size 12px
-	border-bottom solid 1px #eaeaea
-
-	&:first-child
-		border-radius 8px 8px 0 0
-
-		> .renote
-			border-radius 8px 8px 0 0
-
-	&:last-of-type
-		border-bottom none
-
-	@media (min-width 350px)
-		font-size 14px
-
-	@media (min-width 500px)
-		font-size 16px
-
-	> .renote
-		color #9dbb00
-		background linear-gradient(to bottom, #edfde2 0%, #fff 100%)
-
-		> p
-			margin 0
-			padding 8px 16px
-			line-height 28px
-
-			@media (min-width 500px)
-				padding 16px
-
-			.avatar-anchor
-				display inline-block
-
-				.avatar
-					vertical-align bottom
-					width 28px
-					height 28px
-					margin 0 8px 0 0
-					border-radius 6px
-
-			[data-fa]
-				margin-right 4px
-
-			.name
-				font-weight bold
-
-		> .mk-time
-			position absolute
-			top 8px
-			right 16px
-			font-size 0.9em
-			line-height 28px
-
-			@media (min-width 500px)
-				top 16px
-
-		& + article
-			padding-top 8px
-
-	> .reply-to
-		background rgba(0, 0, 0, 0.0125)
-
-		> .mk-note-preview
-			background transparent
-
-	> article
-		padding 14px 16px 9px 16px
-
-		&:after
-			content ""
-			display block
-			clear both
-
-		> .avatar-anchor
-			display block
-			float left
-			margin 0 10px 8px 0
-			position -webkit-sticky
-			position sticky
-			top 62px
-
-			@media (min-width 500px)
-				margin-right 16px
-
-			> .avatar
-				display block
-				width 48px
-				height 48px
-				margin 0
-				border-radius 6px
-				vertical-align bottom
-
-				@media (min-width 500px)
-					width 58px
-					height 58px
-					border-radius 8px
-
-		> .main
-			float left
-			width calc(100% - 58px)
-
-			@media (min-width 500px)
-				width calc(100% - 74px)
-
-			> header
-				display flex
-				align-items center
-				white-space nowrap
-
-				@media (min-width 500px)
-					margin-bottom 2px
-
-				> .name
-					display block
-					margin 0 0.5em 0 0
-					padding 0
-					overflow hidden
-					color #627079
-					font-size 1em
-					font-weight bold
-					text-decoration none
-					text-overflow ellipsis
-
-					&:hover
-						text-decoration underline
-
-				> .is-bot
-					margin 0 0.5em 0 0
-					padding 1px 6px
-					font-size 12px
-					color #aaa
-					border solid 1px #ddd
-					border-radius 3px
-
-				> .username
-					margin 0 0.5em 0 0
-					color #ccc
-
-				> .info
-					margin-left auto
-					font-size 0.9em
-
-					> .mobile
-						margin-right 6px
-						color #c0c0c0
-
-					> .created-at
-						color #c0c0c0
-
-			> .body
-
-				> .text
-					display block
-					margin 0
-					padding 0
-					overflow-wrap break-word
-					font-size 1.1em
-					color #717171
-
-					>>> .quote
-						margin 8px
-						padding 6px 12px
-						color #aaa
-						border-left solid 3px #eee
-
-					> .reply
-						margin-right 8px
-						color #717171
-
-					> .rp
-						margin-left 4px
-						font-style oblique
-						color #a0bf46
-
-					[data-is-me]:after
-						content "you"
-						padding 0 4px
-						margin-left 4px
-						font-size 80%
-						color $theme-color-foreground
-						background $theme-color
-						border-radius 4px
-
-				.mk-url-preview
-					margin-top 8px
-
-				> .channel
-					margin 0
-
-				> .tags
-					margin 4px 0 0 0
-
-					> *
-						display inline-block
-						margin 0 8px 0 0
-						padding 2px 8px 2px 16px
-						font-size 90%
-						color #8d969e
-						background #edf0f3
-						border-radius 4px
-
-						&:before
-							content ""
-							display block
-							position absolute
-							top 0
-							bottom 0
-							left 4px
-							width 8px
-							height 8px
-							margin auto 0
-							background #fff
-							border-radius 100%
-
-				> .media
-					> img
-						display block
-						max-width 100%
-
-				> .location
-					margin 4px 0
-					font-size 12px
-					color #ccc
-
-				> .map
-					width 100%
-					height 200px
-
-					&:empty
-						display none
-
-				> .app
-					font-size 12px
-					color #ccc
-
-				> .mk-poll
-					font-size 80%
-
-				> .renote
-					margin 8px 0
-
-					> .mk-note-preview
-						padding 16px
-						border dashed 1px #c0dac6
-						border-radius 8px
-
-			> footer
-				> button
-					margin 0
-					padding 8px
-					background transparent
-					border none
-					box-shadow none
-					font-size 1em
-					color #ddd
-					cursor pointer
-
-					&:not(:last-child)
-						margin-right 28px
-
-					&:hover
-						color #666
-
-					> .count
-						display inline
-						margin 0 0 0 8px
-						color #999
-
-					&.reacted
-						color $theme-color
-
-					&.menu
-						@media (max-width 350px)
-							display none
-
-</style>
-
-<style lang="stylus" module>
-.text
-	code
-		padding 4px 8px
-		margin 0 0.5em
-		font-size 80%
-		color #525252
-		background #f8f8f8
-		border-radius 2px
-
-	pre > code
-		padding 16px
-		margin 0
-</style>
diff --git a/src/client/app/mobile/views/components/ui.header.vue b/src/client/app/mobile/views/components/ui.header.vue
index fd4f31fd9..f664341cd 100644
--- a/src/client/app/mobile/views/components/ui.header.vue
+++ b/src/client/app/mobile/views/components/ui.header.vue
@@ -63,9 +63,9 @@ export default Vue.extend({
 				}
 			});
 
-			const ago = (new Date().getTime() - new Date((this as any).os.i.account.lastUsedAt).getTime()) / 1000
+			const ago = (new Date().getTime() - new Date((this as any).os.i.lastUsedAt).getTime()) / 1000
 			const isHisasiburi = ago >= 3600;
-			(this as any).os.i.account.lastUsedAt = new Date();
+			(this as any).os.i.lastUsedAt = new Date();
 			if (isHisasiburi) {
 				(this.$refs.welcomeback as any).style.display = 'block';
 				(this.$refs.main as any).style.overflow = 'hidden';
diff --git a/src/client/app/mobile/views/pages/home.vue b/src/client/app/mobile/views/pages/home.vue
index ab61166cf..3de2ba1c3 100644
--- a/src/client/app/mobile/views/pages/home.vue
+++ b/src/client/app/mobile/views/pages/home.vue
@@ -82,8 +82,8 @@ export default Vue.extend({
 		};
 	},
 	created() {
-		if ((this as any).os.i.account.clientSettings.mobileHome == null) {
-			Vue.set((this as any).os.i.account.clientSettings, 'mobileHome', [{
+		if ((this as any).os.i.clientSettings.mobileHome == null) {
+			Vue.set((this as any).os.i.clientSettings, 'mobileHome', [{
 				name: 'calendar',
 				id: 'a', data: {}
 			}, {
@@ -105,14 +105,14 @@ export default Vue.extend({
 				name: 'version',
 				id: 'g', data: {}
 			}]);
-			this.widgets = (this as any).os.i.account.clientSettings.mobileHome;
+			this.widgets = (this as any).os.i.clientSettings.mobileHome;
 			this.saveHome();
 		} else {
-			this.widgets = (this as any).os.i.account.clientSettings.mobileHome;
+			this.widgets = (this as any).os.i.clientSettings.mobileHome;
 		}
 
-		this.$watch('os.i.account.clientSettings', i => {
-			this.widgets = (this as any).os.i.account.clientSettings.mobileHome;
+		this.$watch('os.i.clientSettings', i => {
+			this.widgets = (this as any).os.i.clientSettings.mobileHome;
 		}, {
 			deep: true
 		});
@@ -157,15 +157,15 @@ export default Vue.extend({
 		},
 		onHomeUpdated(data) {
 			if (data.home) {
-				(this as any).os.i.account.clientSettings.mobileHome = data.home;
+				(this as any).os.i.clientSettings.mobileHome = data.home;
 				this.widgets = data.home;
 			} else {
-				const w = (this as any).os.i.account.clientSettings.mobileHome.find(w => w.id == data.id);
+				const w = (this as any).os.i.clientSettings.mobileHome.find(w => w.id == data.id);
 				if (w != null) {
 					w.data = data.data;
 					this.$refs[w.id][0].preventSave = true;
 					this.$refs[w.id][0].props = w.data;
-					this.widgets = (this as any).os.i.account.clientSettings.mobileHome;
+					this.widgets = (this as any).os.i.clientSettings.mobileHome;
 				}
 			}
 		},
@@ -194,7 +194,7 @@ export default Vue.extend({
 			this.saveHome();
 		},
 		saveHome() {
-			(this as any).os.i.account.clientSettings.mobileHome = this.widgets;
+			(this as any).os.i.clientSettings.mobileHome = this.widgets;
 			(this as any).api('i/update_mobile_home', {
 				home: this.widgets
 			});
diff --git a/src/client/app/mobile/views/pages/profile-setting.vue b/src/client/app/mobile/views/pages/profile-setting.vue
index 4a560c027..7f0ff5aad 100644
--- a/src/client/app/mobile/views/pages/profile-setting.vue
+++ b/src/client/app/mobile/views/pages/profile-setting.vue
@@ -53,9 +53,9 @@ export default Vue.extend({
 	},
 	created() {
 		this.name = (this as any).os.i.name || '';
-		this.location = (this as any).os.i.account.profile.location;
+		this.location = (this as any).os.i.profile.location;
 		this.description = (this as any).os.i.description;
-		this.birthday = (this as any).os.i.account.profile.birthday;
+		this.birthday = (this as any).os.i.profile.birthday;
 	},
 	mounted() {
 		document.title = 'Misskey | %i18n:mobile.tags.mk-profile-setting-page.title%';
diff --git a/src/client/app/mobile/views/pages/user.vue b/src/client/app/mobile/views/pages/user.vue
index 08fa4e277..f33f209db 100644
--- a/src/client/app/mobile/views/pages/user.vue
+++ b/src/client/app/mobile/views/pages/user.vue
@@ -18,11 +18,11 @@
 				</div>
 				<div class="description">{{ user.description }}</div>
 				<div class="info">
-					<p class="location" v-if="user.host === null && user.account.profile.location">
-						%fa:map-marker%{{ user.account.profile.location }}
+					<p class="location" v-if="user.host === null && user.profile.location">
+						%fa:map-marker%{{ user.profile.location }}
 					</p>
-					<p class="birthday" v-if="user.host === null && user.account.profile.birthday">
-						%fa:birthday-cake%{{ user.account.profile.birthday.replace('-', '年').replace('-', '月') + '日' }} ({{ age }}歳)
+					<p class="birthday" v-if="user.host === null && user.profile.birthday">
+						%fa:birthday-cake%{{ user.profile.birthday.replace('-', '年').replace('-', '月') + '日' }} ({{ age }}歳)
 					</p>
 				</div>
 				<div class="status">
@@ -81,7 +81,7 @@ export default Vue.extend({
 			return this.getAcct(this.user);
 		},
 		age(): number {
-			return age(this.user.account.profile.birthday);
+			return age(this.user.profile.birthday);
 		},
 		name() {
 			return getUserName(this.user);
diff --git a/src/client/app/mobile/views/pages/user/home.vue b/src/client/app/mobile/views/pages/user/home.vue
index 255408496..c0cd9b8da 100644
--- a/src/client/app/mobile/views/pages/user/home.vue
+++ b/src/client/app/mobile/views/pages/user/home.vue
@@ -31,7 +31,7 @@
 			<x-followers-you-know :user="user"/>
 		</div>
 	</section>
-	<p v-if="user.host === null">%i18n:mobile.tags.mk-user-overview.last-used-at%: <b><mk-time :time="user.account.lastUsedAt"/></b></p>
+	<p v-if="user.host === null">%i18n:mobile.tags.mk-user-overview.last-used-at%: <b><mk-time :time="user.lastUsedAt"/></b></p>
 </div>
 </template>
 
diff --git a/src/client/app/mobile/views/pages/welcome.vue b/src/client/app/mobile/views/pages/welcome.vue
index 17cdf9306..27baf8bee 100644
--- a/src/client/app/mobile/views/pages/welcome.vue
+++ b/src/client/app/mobile/views/pages/welcome.vue
@@ -8,7 +8,7 @@
 			<form @submit.prevent="onSubmit">
 				<input v-model="username" type="text" pattern="^[a-zA-Z0-9_]+$" placeholder="ユーザー名" autofocus required @change="onUsernameChange"/>
 				<input v-model="password" type="password" placeholder="パスワード" required/>
-				<input v-if="user && user.account.twoFactorEnabled" v-model="token" type="number" placeholder="トークン" required/>
+				<input v-if="user && user.twoFactorEnabled" v-model="token" type="number" placeholder="トークン" required/>
 				<button type="submit" :disabled="signing">{{ signing ? 'ログインしています' : 'ログイン' }}</button>
 			</form>
 			<div>
@@ -70,7 +70,7 @@ export default Vue.extend({
 			(this as any).api('signin', {
 				username: this.username,
 				password: this.password,
-				token: this.user && this.user.account.twoFactorEnabled ? this.token : undefined
+				token: this.user && this.user.twoFactorEnabled ? this.token : undefined
 			}).then(() => {
 				location.reload();
 			}).catch(() => {
diff --git a/src/models/user.ts b/src/models/user.ts
index f86aefe9a..906bcb533 100644
--- a/src/models/user.ts
+++ b/src/models/user.ts
@@ -11,7 +11,7 @@ import config from '../config';
 const User = db.get<IUser>('users');
 
 User.createIndex('username');
-User.createIndex('account.token');
+User.createIndex('token');
 
 export default User;
 
@@ -40,45 +40,41 @@ type IUserBase = {
 
 export interface ILocalUser extends IUserBase {
 	host: null;
-	account: {
-		keypair: string;
-		email: string;
-		links: string[];
-		password: string;
-		token: string;
-		twitter: {
-			accessToken: string;
-			accessTokenSecret: string;
-			userId: string;
-			screenName: string;
-		};
-		line: {
-			userId: string;
-		};
-		profile: {
-			location: string;
-			birthday: string; // 'YYYY-MM-DD'
-			tags: string[];
-		};
-		lastUsedAt: Date;
-		isBot: boolean;
-		isPro: boolean;
-		twoFactorSecret: string;
-		twoFactorEnabled: boolean;
-		twoFactorTempSecret: string;
-		clientSettings: any;
-		settings: any;
+	keypair: string;
+	email: string;
+	links: string[];
+	password: string;
+	token: string;
+	twitter: {
+		accessToken: string;
+		accessTokenSecret: string;
+		userId: string;
+		screenName: string;
 	};
+	line: {
+		userId: string;
+	};
+	profile: {
+		location: string;
+		birthday: string; // 'YYYY-MM-DD'
+		tags: string[];
+	};
+	lastUsedAt: Date;
+	isBot: boolean;
+	isPro: boolean;
+	twoFactorSecret: string;
+	twoFactorEnabled: boolean;
+	twoFactorTempSecret: string;
+	clientSettings: any;
+	settings: any;
 }
 
 export interface IRemoteUser extends IUserBase {
-	account: {
-		inbox: string;
-		uri: string;
-		publicKey: {
-			id: string;
-			publicKeyPem: string;
-		};
+	inbox: string;
+	uri: string;
+	publicKey: {
+		id: string;
+		publicKeyPem: string;
 	};
 }
 
@@ -150,11 +146,11 @@ export const pack = (
 
 	const fields = opts.detail ? {
 	} : {
-		'account.settings': false,
-		'account.clientSettings': false,
-		'account.profile': false,
-		'account.keywords': false,
-		'account.domains': false
+		settings: false,
+		clientSettings: false,
+		profile: false,
+		keywords: false,
+		domains: false
 	};
 
 	// Populate the user if 'user' is ID
@@ -188,29 +184,29 @@ export const pack = (
 	// Remove needless properties
 	delete _user.latestNote;
 
-	if (!_user.host) {
+	if (_user.host == null) {
 		// Remove private properties
-		delete _user.account.keypair;
-		delete _user.account.password;
-		delete _user.account.token;
-		delete _user.account.twoFactorTempSecret;
-		delete _user.account.twoFactorSecret;
+		delete _user.keypair;
+		delete _user.password;
+		delete _user.token;
+		delete _user.twoFactorTempSecret;
+		delete _user.twoFactorSecret;
 		delete _user.usernameLower;
-		if (_user.account.twitter) {
-			delete _user.account.twitter.accessToken;
-			delete _user.account.twitter.accessTokenSecret;
+		if (_user.twitter) {
+			delete _user.twitter.accessToken;
+			delete _user.twitter.accessTokenSecret;
 		}
-		delete _user.account.line;
+		delete _user.line;
 
 		// Visible via only the official client
 		if (!opts.includeSecrets) {
-			delete _user.account.email;
-			delete _user.account.settings;
-			delete _user.account.clientSettings;
+			delete _user.email;
+			delete _user.settings;
+			delete _user.clientSettings;
 		}
 
 		if (!opts.detail) {
-			delete _user.account.twoFactorEnabled;
+			delete _user.twoFactorEnabled;
 		}
 	}
 
diff --git a/src/queue/processors/http/process-inbox.ts b/src/queue/processors/http/process-inbox.ts
index eb4b62d37..6608907a7 100644
--- a/src/queue/processors/http/process-inbox.ts
+++ b/src/queue/processors/http/process-inbox.ts
@@ -36,7 +36,7 @@ export default async (job: kue.Job, done): Promise<void> => {
 	} else {
 		user = await User.findOne({
 			host: { $ne: null },
-			'account.publicKey.id': signature.keyId
+			'publicKey.id': signature.keyId
 		}) as IRemoteUser;
 
 		// アクティビティを送信してきたユーザーがまだMisskeyサーバーに登録されていなかったら登録する
@@ -50,7 +50,7 @@ export default async (job: kue.Job, done): Promise<void> => {
 		return;
 	}
 
-	if (!verifySignature(signature, user.account.publicKey.publicKeyPem)) {
+	if (!verifySignature(signature, user.publicKey.publicKeyPem)) {
 		console.warn('signature verification failed');
 		done();
 		return;
diff --git a/src/remote/activitypub/act/create/image.ts b/src/remote/activitypub/act/create/image.ts
index 30a75e737..c87423c5f 100644
--- a/src/remote/activitypub/act/create/image.ts
+++ b/src/remote/activitypub/act/create/image.ts
@@ -7,7 +7,7 @@ import { IDriveFile } from '../../../../models/drive-file';
 const log = debug('misskey:activitypub');
 
 export default async function(actor: IRemoteUser, image): Promise<IDriveFile> {
-	if ('attributedTo' in image && actor.account.uri !== image.attributedTo) {
+	if ('attributedTo' in image && actor.uri !== image.attributedTo) {
 		log(`invalid image: ${JSON.stringify(image, null, 2)}`);
 		throw new Error('invalid image');
 	}
diff --git a/src/remote/activitypub/act/create/index.ts b/src/remote/activitypub/act/create/index.ts
index dd0b11214..7cb9b0844 100644
--- a/src/remote/activitypub/act/create/index.ts
+++ b/src/remote/activitypub/act/create/index.ts
@@ -9,7 +9,7 @@ import { ICreate } from '../../type';
 const log = debug('misskey:activitypub');
 
 export default async (actor: IRemoteUser, activity: ICreate): Promise<void> => {
-	if ('actor' in activity && actor.account.uri !== activity.actor) {
+	if ('actor' in activity && actor.uri !== activity.actor) {
 		throw new Error('invalid actor');
 	}
 
diff --git a/src/remote/activitypub/act/delete/index.ts b/src/remote/activitypub/act/delete/index.ts
index 6c6faa1ae..10b47dc4c 100644
--- a/src/remote/activitypub/act/delete/index.ts
+++ b/src/remote/activitypub/act/delete/index.ts
@@ -7,7 +7,7 @@ import { IRemoteUser } from '../../../../models/user';
  * 削除アクティビティを捌きます
  */
 export default async (actor: IRemoteUser, activity): Promise<void> => {
-	if ('actor' in activity && actor.account.uri !== activity.actor) {
+	if ('actor' in activity && actor.uri !== activity.actor) {
 		throw new Error('invalid actor');
 	}
 
diff --git a/src/remote/activitypub/act/undo/index.ts b/src/remote/activitypub/act/undo/index.ts
index 3ede9fcfb..71f547aeb 100644
--- a/src/remote/activitypub/act/undo/index.ts
+++ b/src/remote/activitypub/act/undo/index.ts
@@ -8,7 +8,7 @@ import Resolver from '../../resolver';
 const log = debug('misskey:activitypub');
 
 export default async (actor: IRemoteUser, activity: IUndo): Promise<void> => {
-	if ('actor' in activity && actor.account.uri !== activity.actor) {
+	if ('actor' in activity && actor.uri !== activity.actor) {
 		throw new Error('invalid actor');
 	}
 
diff --git a/src/remote/activitypub/renderer/follow.ts b/src/remote/activitypub/renderer/follow.ts
index 6d1ded9a9..0a1ae1a4b 100644
--- a/src/remote/activitypub/renderer/follow.ts
+++ b/src/remote/activitypub/renderer/follow.ts
@@ -4,5 +4,5 @@ import { IRemoteUser } from '../../../models/user';
 export default ({ username }, followee: IRemoteUser) => ({
 	type: 'Follow',
 	actor: `${config.url}/@${username}`,
-	object: followee.account.uri
+	object: followee.uri
 });
diff --git a/src/remote/activitypub/renderer/key.ts b/src/remote/activitypub/renderer/key.ts
index 85be7b136..76e2f13bc 100644
--- a/src/remote/activitypub/renderer/key.ts
+++ b/src/remote/activitypub/renderer/key.ts
@@ -6,5 +6,5 @@ export default (user: ILocalUser) => ({
 	id: `${config.url}/@${user.username}/publickey`,
 	type: 'Key',
 	owner: `${config.url}/@${user.username}`,
-	publicKeyPem: extractPublic(user.account.keypair)
+	publicKeyPem: extractPublic(user.keypair)
 });
diff --git a/src/remote/request.ts b/src/remote/request.ts
index a375aebfb..a0c69cf4e 100644
--- a/src/remote/request.ts
+++ b/src/remote/request.ts
@@ -4,10 +4,11 @@ import { URL } from 'url';
 import * as debug from 'debug';
 
 import config from '../config';
+import { ILocalUser } from '../models/user';
 
 const log = debug('misskey:activitypub:deliver');
 
-export default ({ account, username }, url, object) => new Promise((resolve, reject) => {
+export default (user: ILocalUser, url, object) => new Promise((resolve, reject) => {
 	log(`--> ${url}`);
 
 	const { protocol, hostname, port, pathname, search } = new URL(url);
@@ -35,8 +36,8 @@ export default ({ account, username }, url, object) => new Promise((resolve, rej
 
 	sign(req, {
 		authorizationHeaderName: 'Signature',
-		key: account.keypair,
-		keyId: `acct:${username}@${config.host}`
+		key: user.keypair,
+		keyId: `acct:${user.username}@${config.host}`
 	});
 
 	req.end(JSON.stringify(object));
diff --git a/src/renderers/get-user-summary.ts b/src/renderers/get-user-summary.ts
index 52309954d..1bd9a7fb4 100644
--- a/src/renderers/get-user-summary.ts
+++ b/src/renderers/get-user-summary.ts
@@ -11,8 +11,7 @@ export default function(user: IUser): string {
 		`${user.notesCount}投稿、${user.followingCount}フォロー、${user.followersCount}フォロワー\n`;
 
 	if (isLocalUser(user)) {
-		const account = user.account;
-		string += `場所: ${account.profile.location}、誕生日: ${account.profile.birthday}\n`;
+		string += `場所: ${user.profile.location}、誕生日: ${user.profile.birthday}\n`;
 	}
 
 	return string + `「${user.description}」`;
diff --git a/src/server/api/authenticate.ts b/src/server/api/authenticate.ts
index 856674483..adbeeb3b3 100644
--- a/src/server/api/authenticate.ts
+++ b/src/server/api/authenticate.ts
@@ -34,7 +34,7 @@ export default (req: express.Request) => new Promise<IAuthContext>(async (resolv
 
 	if (isNativeToken(token)) {
 		const user: IUser = await User
-			.findOne({ 'account.token': token });
+			.findOne({ 'token': token });
 
 		if (user === null) {
 			return reject('user not found');
diff --git a/src/server/api/bot/core.ts b/src/server/api/bot/core.ts
index 1cf052234..d41af4805 100644
--- a/src/server/api/bot/core.ts
+++ b/src/server/api/bot/core.ts
@@ -226,7 +226,7 @@ class SigninContext extends Context {
 			}
 		} else {
 			// Compare password
-			const same = await bcrypt.compare(query, this.temporaryUser.account.password);
+			const same = await bcrypt.compare(query, this.temporaryUser.password);
 
 			if (same) {
 				this.bot.signin(this.temporaryUser);
diff --git a/src/server/api/bot/interfaces/line.ts b/src/server/api/bot/interfaces/line.ts
index b6b0c257e..be3bfe33d 100644
--- a/src/server/api/bot/interfaces/line.ts
+++ b/src/server/api/bot/interfaces/line.ts
@@ -112,11 +112,11 @@ class LineBot extends BotCore {
 			data: `showtl|${user.id}`
 		});
 
-		if (user.account.twitter) {
+		if (user.twitter) {
 			actions.push({
 				type: 'uri',
 				label: 'Twitterアカウントを見る',
-				uri: `https://twitter.com/${user.account.twitter.screenName}`
+				uri: `https://twitter.com/${user.twitter.screenName}`
 			});
 		}
 
@@ -174,7 +174,7 @@ module.exports = async (app: express.Application) => {
 		if (session == null) {
 			const user = await User.findOne({
 				host: null,
-				'account.line': {
+				'line': {
 					userId: sourceId
 				}
 			});
@@ -184,7 +184,7 @@ module.exports = async (app: express.Application) => {
 			bot.on('signin', user => {
 				User.update(user._id, {
 					$set: {
-						'account.line': {
+						'line': {
 							userId: sourceId
 						}
 					}
@@ -194,7 +194,7 @@ module.exports = async (app: express.Application) => {
 			bot.on('signout', user => {
 				User.update(user._id, {
 					$set: {
-						'account.line': {
+						'line': {
 							userId: null
 						}
 					}
diff --git a/src/server/api/common/signin.ts b/src/server/api/common/signin.ts
index f9688790c..8bb327694 100644
--- a/src/server/api/common/signin.ts
+++ b/src/server/api/common/signin.ts
@@ -2,7 +2,7 @@ import config from '../../../config';
 
 export default function(res, user, redirect: boolean) {
 	const expires = 1000 * 60 * 60 * 24 * 365; // One Year
-	res.cookie('i', user.account.token, {
+	res.cookie('i', user.token, {
 		path: '/',
 		domain: `.${config.hostname}`,
 		secure: config.url.substr(0, 5) === 'https',
diff --git a/src/server/api/endpoints/following/create.ts b/src/server/api/endpoints/following/create.ts
index 0ccac8d83..d3cc549ca 100644
--- a/src/server/api/endpoints/following/create.ts
+++ b/src/server/api/endpoints/following/create.ts
@@ -31,7 +31,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}, {
 		fields: {
 			data: false,
-			'account.profile': false
+			'profile': false
 		}
 	});
 
diff --git a/src/server/api/endpoints/following/delete.ts b/src/server/api/endpoints/following/delete.ts
index 0684b8750..0d0a6c713 100644
--- a/src/server/api/endpoints/following/delete.ts
+++ b/src/server/api/endpoints/following/delete.ts
@@ -31,7 +31,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}, {
 		fields: {
 			data: false,
-			'account.profile': false
+			'profile': false
 		}
 	});
 
diff --git a/src/server/api/endpoints/i.ts b/src/server/api/endpoints/i.ts
index 44de71d16..0be30500c 100644
--- a/src/server/api/endpoints/i.ts
+++ b/src/server/api/endpoints/i.ts
@@ -5,12 +5,6 @@ import User, { pack } from '../../../models/user';
 
 /**
  * Show myself
- *
- * @param {any} params
- * @param {any} user
- * @param {any} app
- * @param {Boolean} isSecure
- * @return {Promise<any>}
  */
 module.exports = (params, user, _, isSecure) => new Promise(async (res, rej) => {
 	// Serialize
@@ -22,7 +16,7 @@ module.exports = (params, user, _, isSecure) => new Promise(async (res, rej) =>
 	// Update lastUsedAt
 	User.update({ _id: user._id }, {
 		$set: {
-			'account.lastUsedAt': new Date()
+			lastUsedAt: new Date()
 		}
 	});
 });
diff --git a/src/server/api/endpoints/i/2fa/done.ts b/src/server/api/endpoints/i/2fa/done.ts
index 0b2e32c13..3e824feff 100644
--- a/src/server/api/endpoints/i/2fa/done.ts
+++ b/src/server/api/endpoints/i/2fa/done.ts
@@ -28,8 +28,8 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 
 	await User.update(user._id, {
 		$set: {
-			'account.twoFactorSecret': user.twoFactorTempSecret,
-			'account.twoFactorEnabled': true
+			'twoFactorSecret': user.twoFactorTempSecret,
+			'twoFactorEnabled': true
 		}
 	});
 
diff --git a/src/server/api/endpoints/i/2fa/register.ts b/src/server/api/endpoints/i/2fa/register.ts
index dc7fb959b..bed64a254 100644
--- a/src/server/api/endpoints/i/2fa/register.ts
+++ b/src/server/api/endpoints/i/2fa/register.ts
@@ -14,7 +14,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (passwordErr) return rej('invalid password param');
 
 	// Compare password
-	const same = await bcrypt.compare(password, user.account.password);
+	const same = await bcrypt.compare(password, user.password);
 
 	if (!same) {
 		return rej('incorrect password');
diff --git a/src/server/api/endpoints/i/2fa/unregister.ts b/src/server/api/endpoints/i/2fa/unregister.ts
index ff2a435fe..f9d7a25f5 100644
--- a/src/server/api/endpoints/i/2fa/unregister.ts
+++ b/src/server/api/endpoints/i/2fa/unregister.ts
@@ -11,7 +11,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (passwordErr) return rej('invalid password param');
 
 	// Compare password
-	const same = await bcrypt.compare(password, user.account.password);
+	const same = await bcrypt.compare(password, user.password);
 
 	if (!same) {
 		return rej('incorrect password');
@@ -19,8 +19,8 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 
 	await User.update(user._id, {
 		$set: {
-			'account.twoFactorSecret': null,
-			'account.twoFactorEnabled': false
+			'twoFactorSecret': null,
+			'twoFactorEnabled': false
 		}
 	});
 
diff --git a/src/server/api/endpoints/i/change_password.ts b/src/server/api/endpoints/i/change_password.ts
index a38b56a21..57415083f 100644
--- a/src/server/api/endpoints/i/change_password.ts
+++ b/src/server/api/endpoints/i/change_password.ts
@@ -22,7 +22,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (newPasswordErr) return rej('invalid newPassword param');
 
 	// Compare password
-	const same = await bcrypt.compare(currentPassword, user.account.password);
+	const same = await bcrypt.compare(currentPassword, user.password);
 
 	if (!same) {
 		return rej('incorrect password');
@@ -34,7 +34,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 
 	await User.update(user._id, {
 		$set: {
-			'account.password': hash
+			'password': hash
 		}
 	});
 
diff --git a/src/server/api/endpoints/i/regenerate_token.ts b/src/server/api/endpoints/i/regenerate_token.ts
index 9aa6725f8..f9e92c179 100644
--- a/src/server/api/endpoints/i/regenerate_token.ts
+++ b/src/server/api/endpoints/i/regenerate_token.ts
@@ -20,7 +20,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (passwordErr) return rej('invalid password param');
 
 	// Compare password
-	const same = await bcrypt.compare(password, user.account.password);
+	const same = await bcrypt.compare(password, user.password);
 
 	if (!same) {
 		return rej('incorrect password');
@@ -31,7 +31,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 
 	await User.update(user._id, {
 		$set: {
-			'account.token': secret
+			'token': secret
 		}
 	});
 
diff --git a/src/server/api/endpoints/i/update.ts b/src/server/api/endpoints/i/update.ts
index 279b062f5..a8caa0ebc 100644
--- a/src/server/api/endpoints/i/update.ts
+++ b/src/server/api/endpoints/i/update.ts
@@ -29,12 +29,12 @@ module.exports = async (params, user, _, isSecure) => new Promise(async (res, re
 	// Get 'location' parameter
 	const [location, locationErr] = $(params.location).optional.nullable.string().pipe(isValidLocation).$;
 	if (locationErr) return rej('invalid location param');
-	if (location !== undefined) user.account.profile.location = location;
+	if (location !== undefined) user.profile.location = location;
 
 	// Get 'birthday' parameter
 	const [birthday, birthdayErr] = $(params.birthday).optional.nullable.string().pipe(isValidBirthday).$;
 	if (birthdayErr) return rej('invalid birthday param');
-	if (birthday !== undefined) user.account.profile.birthday = birthday;
+	if (birthday !== undefined) user.profile.birthday = birthday;
 
 	// Get 'avatarId' parameter
 	const [avatarId, avatarIdErr] = $(params.avatarId).optional.id().$;
@@ -49,12 +49,12 @@ module.exports = async (params, user, _, isSecure) => new Promise(async (res, re
 	// Get 'isBot' parameter
 	const [isBot, isBotErr] = $(params.isBot).optional.boolean().$;
 	if (isBotErr) return rej('invalid isBot param');
-	if (isBot != null) user.account.isBot = isBot;
+	if (isBot != null) user.isBot = isBot;
 
 	// Get 'autoWatch' parameter
 	const [autoWatch, autoWatchErr] = $(params.autoWatch).optional.boolean().$;
 	if (autoWatchErr) return rej('invalid autoWatch param');
-	if (autoWatch != null) user.account.settings.autoWatch = autoWatch;
+	if (autoWatch != null) user.settings.autoWatch = autoWatch;
 
 	await User.update(user._id, {
 		$set: {
@@ -62,9 +62,9 @@ module.exports = async (params, user, _, isSecure) => new Promise(async (res, re
 			description: user.description,
 			avatarId: user.avatarId,
 			bannerId: user.bannerId,
-			'account.profile': user.account.profile,
-			'account.isBot': user.account.isBot,
-			'account.settings': user.account.settings
+			'profile': user.profile,
+			'isBot': user.isBot,
+			'settings': user.settings
 		}
 	});
 
diff --git a/src/server/api/endpoints/i/update_client_setting.ts b/src/server/api/endpoints/i/update_client_setting.ts
index 10741aceb..b0d5db5ec 100644
--- a/src/server/api/endpoints/i/update_client_setting.ts
+++ b/src/server/api/endpoints/i/update_client_setting.ts
@@ -22,14 +22,14 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (valueErr) return rej('invalid value param');
 
 	const x = {};
-	x[`account.clientSettings.${name}`] = value;
+	x[`clientSettings.${name}`] = value;
 
 	await User.update(user._id, {
 		$set: x
 	});
 
 	// Serialize
-	user.account.clientSettings[name] = value;
+	user.clientSettings[name] = value;
 	const iObj = await pack(user, user, {
 		detail: true,
 		includeSecrets: true
diff --git a/src/server/api/endpoints/i/update_home.ts b/src/server/api/endpoints/i/update_home.ts
index 91be0714d..ce7661ede 100644
--- a/src/server/api/endpoints/i/update_home.ts
+++ b/src/server/api/endpoints/i/update_home.ts
@@ -26,7 +26,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (home) {
 		await User.update(user._id, {
 			$set: {
-				'account.clientSettings.home': home
+				'clientSettings.home': home
 			}
 		});
 
@@ -38,7 +38,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	} else {
 		if (id == null && data == null) return rej('you need to set id and data params if home param unset');
 
-		const _home = user.account.clientSettings.home;
+		const _home = user.clientSettings.home;
 		const widget = _home.find(w => w.id == id);
 
 		if (widget == null) return rej('widget not found');
@@ -47,7 +47,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 
 		await User.update(user._id, {
 			$set: {
-				'account.clientSettings.home': _home
+				'clientSettings.home': _home
 			}
 		});
 
diff --git a/src/server/api/endpoints/i/update_mobile_home.ts b/src/server/api/endpoints/i/update_mobile_home.ts
index 1efda120d..b710e2f33 100644
--- a/src/server/api/endpoints/i/update_mobile_home.ts
+++ b/src/server/api/endpoints/i/update_mobile_home.ts
@@ -25,7 +25,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	if (home) {
 		await User.update(user._id, {
 			$set: {
-				'account.clientSettings.mobileHome': home
+				'clientSettings.mobileHome': home
 			}
 		});
 
@@ -37,7 +37,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 	} else {
 		if (id == null && data == null) return rej('you need to set id and data params if home param unset');
 
-		const _home = user.account.clientSettings.mobileHome || [];
+		const _home = user.clientSettings.mobileHome || [];
 		const widget = _home.find(w => w.id == id);
 
 		if (widget == null) return rej('widget not found');
@@ -46,7 +46,7 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 
 		await User.update(user._id, {
 			$set: {
-				'account.clientSettings.mobileHome': _home
+				'clientSettings.mobileHome': _home
 			}
 		});
 
diff --git a/src/server/api/endpoints/mute/create.ts b/src/server/api/endpoints/mute/create.ts
index a7fa5f7b4..19894d07a 100644
--- a/src/server/api/endpoints/mute/create.ts
+++ b/src/server/api/endpoints/mute/create.ts
@@ -30,7 +30,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}, {
 		fields: {
 			data: false,
-			'account.profile': false
+			'profile': false
 		}
 	});
 
diff --git a/src/server/api/endpoints/mute/delete.ts b/src/server/api/endpoints/mute/delete.ts
index 687f01033..10096352b 100644
--- a/src/server/api/endpoints/mute/delete.ts
+++ b/src/server/api/endpoints/mute/delete.ts
@@ -30,7 +30,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}, {
 		fields: {
 			data: false,
-			'account.profile': false
+			'profile': false
 		}
 	});
 
diff --git a/src/server/api/endpoints/notes/polls/vote.ts b/src/server/api/endpoints/notes/polls/vote.ts
index 0e27f87ee..fd4412ad3 100644
--- a/src/server/api/endpoints/notes/polls/vote.ts
+++ b/src/server/api/endpoints/notes/polls/vote.ts
@@ -100,7 +100,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 		});
 
 	// この投稿をWatchする
-	if (user.account.settings.autoWatch !== false) {
+	if (user.settings.autoWatch !== false) {
 		watch(user._id, note);
 	}
 });
diff --git a/src/server/api/endpoints/users/recommendation.ts b/src/server/api/endpoints/users/recommendation.ts
index 60483936f..2de22da13 100644
--- a/src/server/api/endpoints/users/recommendation.ts
+++ b/src/server/api/endpoints/users/recommendation.ts
@@ -32,7 +32,7 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 			},
 			$or: [
 				{
-					'account.lastUsedAt': {
+					'lastUsedAt': {
 						$gte: new Date(Date.now() - ms('7days'))
 					}
 				}, {
diff --git a/src/server/api/private/signin.ts b/src/server/api/private/signin.ts
index e0bd67d1c..d7c4832c9 100644
--- a/src/server/api/private/signin.ts
+++ b/src/server/api/private/signin.ts
@@ -37,7 +37,7 @@ export default async (req: express.Request, res: express.Response) => {
 	}, {
 		fields: {
 			data: false,
-			'account.profile': false
+			'profile': false
 		}
 	}) as ILocalUser;
 
@@ -48,15 +48,13 @@ export default async (req: express.Request, res: express.Response) => {
 		return;
 	}
 
-	const account = user.account;
-
 	// Compare password
-	const same = await bcrypt.compare(password, account.password);
+	const same = await bcrypt.compare(password, password);
 
 	if (same) {
-		if (account.twoFactorEnabled) {
+		if (user.twoFactorEnabled) {
 			const verified = (speakeasy as any).totp.verify({
-				secret: account.twoFactorSecret,
+				secret: user.twoFactorSecret,
 				encoding: 'base32',
 				token: token
 			});
diff --git a/src/server/api/private/signup.ts b/src/server/api/private/signup.ts
index 5818ba25c..f441e1b75 100644
--- a/src/server/api/private/signup.ts
+++ b/src/server/api/private/signup.ts
@@ -119,44 +119,29 @@ export default async (req: express.Request, res: express.Response) => {
 		usernameLower: username.toLowerCase(),
 		host: null,
 		hostLower: null,
-		account: {
-			keypair: generateKeypair(),
-			token: secret,
-			email: null,
-			links: null,
-			password: hash,
-			profile: {
-				bio: null,
-				birthday: null,
-				blood: null,
-				gender: null,
-				handedness: null,
-				height: null,
-				location: null,
-				weight: null
-			},
-			settings: {
-				autoWatch: true
-			},
-			clientSettings: {
-				home: homeData
-			}
+		keypair: generateKeypair(),
+		token: secret,
+		email: null,
+		links: null,
+		password: hash,
+		profile: {
+			bio: null,
+			birthday: null,
+			blood: null,
+			gender: null,
+			handedness: null,
+			height: null,
+			location: null,
+			weight: null
+		},
+		settings: {
+			autoWatch: true
+		},
+		clientSettings: {
+			home: homeData
 		}
 	});
 
 	// Response
 	res.send(await pack(account));
-
-	// Create search index
-	if (config.elasticsearch.enable) {
-		const es = require('../../db/elasticsearch');
-		es.index({
-			index: 'misskey',
-			type: 'user',
-			id: account._id.toString(),
-			body: {
-				username: username
-			}
-		});
-	}
 };
diff --git a/src/server/api/service/twitter.ts b/src/server/api/service/twitter.ts
index 77b932b13..da48e30a8 100644
--- a/src/server/api/service/twitter.ts
+++ b/src/server/api/service/twitter.ts
@@ -40,10 +40,10 @@ module.exports = (app: express.Application) => {
 
 		const user = await User.findOneAndUpdate({
 			host: null,
-			'account.token': userToken
+			'token': userToken
 		}, {
 			$set: {
-				'account.twitter': null
+				'twitter': null
 			}
 		});
 
@@ -128,7 +128,7 @@ module.exports = (app: express.Application) => {
 
 				const user = await User.findOne({
 					host: null,
-					'account.twitter.userId': result.userId
+					'twitter.userId': result.userId
 				});
 
 				if (user == null) {
@@ -151,10 +151,10 @@ module.exports = (app: express.Application) => {
 
 				const user = await User.findOneAndUpdate({
 					host: null,
-					'account.token': userToken
+					'token': userToken
 				}, {
 					$set: {
-						'account.twitter': {
+						'twitter': {
 							accessToken: result.accessToken,
 							accessTokenSecret: result.accessTokenSecret,
 							userId: result.userId,
diff --git a/src/server/api/stream/home.ts b/src/server/api/stream/home.ts
index 313558851..359ef74af 100644
--- a/src/server/api/stream/home.ts
+++ b/src/server/api/stream/home.ts
@@ -74,7 +74,7 @@ export default async function(request: websocket.request, connection: websocket.
 				// Update lastUsedAt
 				User.update({ _id: user._id }, {
 					$set: {
-						'account.lastUsedAt': new Date()
+						'lastUsedAt': new Date()
 					}
 				});
 				break;
diff --git a/src/server/api/streaming.ts b/src/server/api/streaming.ts
index edcf505d2..26946b524 100644
--- a/src/server/api/streaming.ts
+++ b/src/server/api/streaming.ts
@@ -97,7 +97,7 @@ function authenticate(token: string): Promise<IUser> {
 			const user: IUser = await User
 				.findOne({
 					host: null,
-					'account.token': token
+					'token': token
 				});
 
 			resolve(user);
diff --git a/src/services/following/create.ts b/src/services/following/create.ts
index d919f4487..31e3be19e 100644
--- a/src/services/following/create.ts
+++ b/src/services/following/create.ts
@@ -60,13 +60,13 @@ export default async function(follower: IUser, followee: IUser, activity?) {
 		const content = renderFollow(follower, followee);
 		content['@context'] = context;
 
-		deliver(follower, content, followee.account.inbox).save();
+		deliver(follower, content, followee.inbox).save();
 	}
 
 	if (isRemoteUser(follower) && isLocalUser(followee)) {
 		const content = renderAccept(activity);
 		content['@context'] = context;
 
-		deliver(followee, content, follower.account.inbox).save();
+		deliver(followee, content, follower.inbox).save();
 	}
 }
diff --git a/src/services/following/delete.ts b/src/services/following/delete.ts
index 364a4803b..d79bf64f5 100644
--- a/src/services/following/delete.ts
+++ b/src/services/following/delete.ts
@@ -59,6 +59,6 @@ export default async function(follower: IUser, followee: IUser, activity?) {
 		const content = renderUndo(renderFollow(follower, followee));
 		content['@context'] = context;
 
-		deliver(follower, content, followee.account.inbox).save();
+		deliver(follower, content, followee.inbox).save();
 	}
 }
diff --git a/src/services/note/create.ts b/src/services/note/create.ts
index 8eee8f44a..551d61856 100644
--- a/src/services/note/create.ts
+++ b/src/services/note/create.ts
@@ -78,7 +78,7 @@ export default async (user: IUser, data: {
 			host: user.host,
 			hostLower: user.hostLower,
 			account: isLocalUser(user) ? {} : {
-				inbox: user.account.inbox
+				inbox: user.inbox
 			}
 		}
 	};
@@ -133,7 +133,7 @@ export default async (user: IUser, data: {
 
 			// 投稿がリプライかつ投稿者がローカルユーザーかつリプライ先の投稿の投稿者がリモートユーザーなら配送
 			if (data.reply && isLocalUser(user) && isRemoteUser(data.reply._user)) {
-				deliver(user, content, data.reply._user.account.inbox).save();
+				deliver(user, content, data.reply._user.inbox).save();
 			}
 
 			Promise.all(followers.map(follower => {
@@ -145,7 +145,7 @@ export default async (user: IUser, data: {
 				} else {
 					// フォロワーがリモートユーザーかつ投稿者がローカルユーザーなら投稿を配信
 					if (isLocalUser(user)) {
-						deliver(user, content, follower.account.inbox).save();
+						deliver(user, content, follower.inbox).save();
 					}
 				}
 			}));
@@ -242,7 +242,7 @@ export default async (user: IUser, data: {
 		});
 
 		// この投稿をWatchする
-		if (isLocalUser(user) && user.account.settings.autoWatch !== false) {
+		if (isLocalUser(user) && user.settings.autoWatch !== false) {
 			watch(user._id, data.reply);
 		}
 
@@ -277,7 +277,7 @@ export default async (user: IUser, data: {
 		});
 
 		// この投稿をWatchする
-		if (isLocalUser(user) && user.account.settings.autoWatch !== false) {
+		if (isLocalUser(user) && user.settings.autoWatch !== false) {
 			watch(user._id, data.renote);
 		}
 
diff --git a/src/services/note/reaction/create.ts b/src/services/note/reaction/create.ts
index d0ce65ee5..ea51b205d 100644
--- a/src/services/note/reaction/create.ts
+++ b/src/services/note/reaction/create.ts
@@ -78,7 +78,7 @@ export default async (user: IUser, note: INote, reaction: string) => new Promise
 		});
 
 	// ユーザーがローカルユーザーかつ自動ウォッチ設定がオンならばこの投稿をWatchする
-	if (isLocalUser(user) && user.account.settings.autoWatch !== false) {
+	if (isLocalUser(user) && user.settings.autoWatch !== false) {
 		watch(user._id, note);
 	}
 
@@ -88,7 +88,7 @@ export default async (user: IUser, note: INote, reaction: string) => new Promise
 
 	// リアクターがローカルユーザーかつリアクション対象がリモートユーザーの投稿なら配送
 	if (isLocalUser(user) && isRemoteUser(note._user)) {
-		deliver(user, content, note._user.account.inbox).save();
+		deliver(user, content, note._user.inbox).save();
 	}
 	//#endregion
 });
diff --git a/test/api.ts b/test/api.ts
index 953c5aea0..87bbb8ee1 100644
--- a/test/api.ts
+++ b/test/api.ts
@@ -32,7 +32,7 @@ const async = fn => (done) => {
 
 const request = (endpoint, params, me?) => new Promise<any>((ok, ng) => {
 	const auth = me ? {
-		i: me.account.token
+		i: me.token
 	} : {};
 
 	_chai.request(server)
@@ -157,10 +157,10 @@ describe('API', () => {
 			res.should.have.status(200);
 			res.body.should.be.a('object');
 			res.body.should.have.property('name').eql(myName);
-			res.body.should.have.nested.property('account.profile').a('object');
-			res.body.should.have.nested.property('account.profile.location').eql(myLocation);
-			res.body.should.have.nested.property('account.profile.birthday').eql(myBirthday);
-			res.body.should.have.nested.property('account.profile.gender').eql('female');
+			res.body.should.have.nested.property('profile').a('object');
+			res.body.should.have.nested.property('profile.location').eql(myLocation);
+			res.body.should.have.nested.property('profile.birthday').eql(myBirthday);
+			res.body.should.have.nested.property('profile.gender').eql('female');
 		}));
 
 		it('名前を空白にできない', async(async () => {
@@ -180,8 +180,8 @@ describe('API', () => {
 			}, me);
 			res.should.have.status(200);
 			res.body.should.be.a('object');
-			res.body.should.have.nested.property('account.profile').a('object');
-			res.body.should.have.nested.property('account.profile.birthday').eql(null);
+			res.body.should.have.nested.property('profile').a('object');
+			res.body.should.have.nested.property('profile.birthday').eql(null);
 		}));
 
 		it('不正な誕生日の形式で怒られる', async(async () => {
@@ -736,7 +736,7 @@ describe('API', () => {
 			const me = await insertSakurako();
 			const res = await _chai.request(server)
 				.post('/drive/files/create')
-				.field('i', me.account.token)
+				.field('i', me.token)
 				.attach('file', fs.readFileSync(__dirname + '/resources/Lenna.png'), 'Lenna.png');
 			res.should.have.status(200);
 			res.body.should.be.a('object');
diff --git a/tools/migration/nighthike/12.js b/tools/migration/nighthike/12.js
new file mode 100644
index 000000000..f4b61e2ee
--- /dev/null
+++ b/tools/migration/nighthike/12.js
@@ -0,0 +1,58 @@
+// for Node.js interpret
+
+const { default: User } = require('../../../built/models/user');
+const { generate } = require('../../../built/crypto_key');
+const { default: zip } = require('@prezzemolo/zip')
+
+const migrate = async (user) => {
+	const result = await User.update(user._id, {
+		$unset: {
+			account: ''
+		},
+		$set: {
+			host: null,
+			hostLower: null,
+			email: user.account.email,
+			links: user.account.links,
+			password: user.account.password,
+			token: user.account.token,
+			twitter: user.account.twitter,
+			line: user.account.line,
+			profile: user.account.profile,
+			lastUsedAt: user.account.lastUsedAt,
+			isBot: user.account.isBot,
+			isPro: user.account.isPro,
+			twoFactorSecret: user.account.twoFactorSecret,
+			twoFactorEnabled: user.account.twoFactorEnabled,
+			clientSettings: user.account.clientSettings,
+			settings: user.account.settings,
+			keypair: user.account.keypair
+		}
+	});
+	return result.ok === 1;
+}
+
+async function main() {
+	const count = await User.count({});
+
+	const dop = Number.parseInt(process.argv[2]) || 5
+	const idop = ((count - (count % dop)) / dop) + 1
+
+	return zip(
+		1,
+		async (time) => {
+			console.log(`${time} / ${idop}`)
+			const doc = await User.find({}, {
+				limit: dop, skip: time * dop
+			})
+			return Promise.all(doc.map(migrate))
+		},
+		idop
+	).then(a => {
+		const rv = []
+		a.forEach(e => rv.push(...e))
+		return rv
+	})
+}
+
+main().then(console.dir).catch(console.error)