diff --git a/locales/en-US.yml b/locales/en-US.yml
index c489ec4d7..77ea22e1c 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -2000,6 +2000,8 @@ _time:
   minute: "Minute(s)"
   hour: "Hour(s)"
   day: "Day(s)"
+  month: "Month(s)"
+  year: "Year(s)"
 _2fa:
   alreadyRegistered: "You have already registered a 2-factor authentication device."
   registerTOTP: "Register authenticator app"
diff --git a/packages/backend/migration/1709530777533-noteSelfDestructInterval.js b/packages/backend/migration/1709530777533-noteSelfDestructInterval.js
new file mode 100644
index 000000000..370eed516
--- /dev/null
+++ b/packages/backend/migration/1709530777533-noteSelfDestructInterval.js
@@ -0,0 +1,13 @@
+export class NoteSelfDestructInterval1709530777533 {
+
+	async up(queryRunner) {
+		await queryRunner.query(`ALTER TABLE user_profile ADD "noteSelfDestructInterval" interval NOT NULL DEFAULT '1 months';`);
+		await queryRunner.query(`ALTER TABLE user_profile ADD "noteSelfDestructEnable" boolean NOT NULL DEFAULT false;`);
+    }
+
+	async down(queryRunner) {
+		await queryRunner.query(`ALTER TABLE user_profile DROP COLUMN "noteSelfDestructInterval";`);
+		await queryRunner.query(`ALTER TABLE user_profile DROP COLUMN "noteSelfDestructEnable";`);
+	}
+
+}
diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index 8f5d986fa..f9d006681 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -509,6 +509,8 @@ export class UserEntityService implements OnModuleInit {
 				mutedWords: profile!.mutedWords,
 				hardMutedWords: profile!.hardMutedWords,
 				mutedInstances: profile!.mutedInstances,
+				noteSelfDestructInterval: profile!.noteSelfDestructInterval,
+				noteSelfDestructEnable: profile!.noteSelfDestructEnable,
 				mutingNotificationTypes: [], // 後方互換性のため
 				notificationRecieveConfig: profile!.notificationRecieveConfig,
 				emailNotificationTypes: profile!.emailNotificationTypes,
diff --git a/packages/backend/src/models/User.ts b/packages/backend/src/models/User.ts
index b0910133c..407b7e5e2 100644
--- a/packages/backend/src/models/User.ts
+++ b/packages/backend/src/models/User.ts
@@ -343,3 +343,4 @@ export const descriptionSchema = { type: 'string', minLength: 1, maxLength: 1500
 export const locationSchema = { type: 'string', minLength: 1, maxLength: 50 } as const;
 export const listenbrainzSchema = { type: "string", minLength: 1, maxLength: 128 } as const;
 export const birthdaySchema = { type: 'string', pattern: /^([0-9]{4})-([0-9]{2})-([0-9]{2})$/.toString().slice(1, -1) } as const;
+export const selfDestructIntervalSchema = { type: 'string', pattern: /^[1-9][0-9]+ (years|months|days|hours|minutes)$/.toString().slice(1, -1) } as const;
diff --git a/packages/backend/src/models/UserProfile.ts b/packages/backend/src/models/UserProfile.ts
index 40ea26f61..8a6cd096b 100644
--- a/packages/backend/src/models/UserProfile.ts
+++ b/packages/backend/src/models/UserProfile.ts
@@ -277,6 +277,17 @@ export class MiUserProfile {
 		unlockedAt: number;
 	}[];
 
+	@Column('interval', {
+		default: '1 months',
+	})
+	public noteSelfDestructInterval: string;
+
+	@Column('boolean', {
+		default: false,
+	})
+	public noteSelfDestructEnable: string;
+
+
 	//#region Denormalized fields
 	@Index()
 	@Column('varchar', {
diff --git a/packages/backend/src/models/json-schema/user.ts b/packages/backend/src/models/json-schema/user.ts
index 33a3efd45..f334bc520 100644
--- a/packages/backend/src/models/json-schema/user.ts
+++ b/packages/backend/src/models/json-schema/user.ts
@@ -605,6 +605,14 @@ export const packedMeDetailedOnlySchema = {
 				nullable: false, optional: false,
 			},
 		},
+		noteSelfDestructInterval: {
+			type: 'string',
+			nullable: false, optional: false,
+		},
+		noteSelfDestructEnable: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
 		notificationRecieveConfig: {
 			type: 'object',
 			nullable: false, optional: false,
diff --git a/packages/backend/src/server/api/endpoints/admin/show-user.ts b/packages/backend/src/server/api/endpoints/admin/show-user.ts
index 9cdca0222..c88a62695 100644
--- a/packages/backend/src/server/api/endpoints/admin/show-user.ts
+++ b/packages/backend/src/server/api/endpoints/admin/show-user.ts
@@ -88,6 +88,14 @@ export const meta = {
 					type: 'string',
 				},
 			},
+			noteSelfDestructInterval: {
+    			type: 'string',
+    			optional: false, nullable: false,
+			},
+			noteSelfDestructEnable: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
 			notificationRecieveConfig: {
 				type: 'object',
 				optional: false, nullable: false,
@@ -239,6 +247,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				receiveAnnouncementEmail: profile.receiveAnnouncementEmail,
 				mutedWords: profile.mutedWords,
 				mutedInstances: profile.mutedInstances,
+				noteSelfDestructInterval: profile.noteSelfDestructInterval,
+				noteSelfDestructEnable: profile.noteSelfDestructEnable,
 				notificationRecieveConfig: profile.notificationRecieveConfig,
 				isModerator: isModerator,
 				isSilenced: isSilenced,
diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index cb413de9e..2143d58ee 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -13,7 +13,7 @@ import { extractHashtags } from '@/misc/extract-hashtags.js';
 import * as Acct from '@/misc/acct.js';
 import type { UsersRepository, DriveFilesRepository, UserProfilesRepository, PagesRepository } from '@/models/_.js';
 import type { MiLocalUser, MiUser } from '@/models/User.js';
-import { birthdaySchema, listenbrainzSchema, descriptionSchema, locationSchema, nameSchema } from '@/models/User.js';
+import { birthdaySchema, listenbrainzSchema, descriptionSchema, locationSchema, nameSchema, selfDestructIntervalSchema } from '@/models/User.js';
 import type { MiUserProfile } from '@/models/UserProfile.js';
 import { notificationTypes } from '@/types.js';
 import { normalizeForSearch } from '@/misc/normalize-for-search.js';
@@ -202,6 +202,8 @@ export const paramDef = {
 		mutedInstances: { type: 'array', items: {
 			type: 'string',
 		} },
+		noteSelfDestructInterval: { ...selfDestructIntervalSchema, nullable: false },
+		noteSelfDestructEnable: { type: 'boolean', nullable: false },
 		notificationRecieveConfig: {
 			type: 'object',
 			nullable: false,
@@ -319,6 +321,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				profileUpdates.hardMutedWords = ps.hardMutedWords;
 			}
 			if (ps.mutedInstances !== undefined) profileUpdates.mutedInstances = ps.mutedInstances;
+			if (ps.noteSelfDestructInterval !== undefined) profileUpdates.noteSelfDestructInterval = ps.noteSelfDestructInterval;
+			if (ps.noteSelfDestructEnable !== undefined) profileUpdates.noteSelfDestructEnable = ps.noteSelfDestructEnable;
 			if (ps.notificationRecieveConfig !== undefined) profileUpdates.notificationRecieveConfig = ps.notificationRecieveConfig;
 			if (typeof ps.isLocked === 'boolean') updates.isLocked = ps.isLocked;
 			if (typeof ps.isExplorable === 'boolean') updates.isExplorable = ps.isExplorable;
diff --git a/packages/frontend/src/pages/settings/privacy.vue b/packages/frontend/src/pages/settings/privacy.vue
index 86cf5ab24..69bd6d6eb 100644
--- a/packages/frontend/src/pages/settings/privacy.vue
+++ b/packages/frontend/src/pages/settings/privacy.vue
@@ -68,13 +68,41 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</FormSection>
 
 	<MkSwitch v-model="keepCw" @update:modelValue="save()">{{ i18n.ts.keepCw }}</MkSwitch>
+
+	<FormSection>
+		<div class="_gaps_m">
+			<MkFolder>
+				<template #label>{{ i18n.ts.selfDestructingNotes }}</template>
+				<div class="_gaps_m">
+					<MkButton primary @click="save()"><i class="ph-check ph-bold ph-lg"></i> {{ i18n.ts.save }}</MkButton>
+
+					<MkSwitch v-model="selfDestructingNotesEnable" manualSave>
+						{{ i18n.ts.enable }}
+						<template #caption>{{ i18n.ts._selfDestructingNotes.description }}</template>
+					</MkSwitch>	
+					<FormSplit :minWidth="200">
+						<MkInput v-model="selfDestructIntervalAmount" type="number" min="1" small/>
+						<MkSelect v-model="selfDestructIntervalUnit" small>
+							<option value="years">{{ i18n.ts._time.year }}</option>
+							<option value="months">{{ i18n.ts._time.month }}</option>
+							<option value="days">{{ i18n.ts._time.day }}</option>
+							<option value="hours">{{ i18n.ts._time.hour }}</option>
+						</MkSelect>
+					</FormSplit>
+				</div>
+			</MkFolder>
+		</div>
+	</FormSection>
 </div>
 </template>
 
 <script lang="ts" setup>
 import { ref, computed } from 'vue';
 import MkSwitch from '@/components/MkSwitch.vue';
+import MkButton from '@/components/MkButton.vue';
+import MkInput from '@/components/MkInput.vue';
 import MkSelect from '@/components/MkSelect.vue';
+import FormSplit from '@/components/form/split.vue';
 import FormSection from '@/components/form/section.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import { misskeyApi } from '@/scripts/misskey-api.js';
@@ -94,12 +122,18 @@ const hideOnlineStatus = ref($i.hideOnlineStatus);
 const publicReactions = ref($i.publicReactions);
 const followingVisibility = ref($i.followingVisibility);
 const followersVisibility = ref($i.followersVisibility);
+const selfDestructingNotesEnable = ref($i.selfDestructingNotesEnable);
+const selfDestructIntervalAmount = ref(1);
+const selfDestructIntervalUnit = ref('months');
 
 const defaultNoteVisibility = computed(defaultStore.makeGetterSetter('defaultNoteVisibility'));
 const defaultNoteLocalOnly = computed(defaultStore.makeGetterSetter('defaultNoteLocalOnly'));
 const rememberNoteVisibility = computed(defaultStore.makeGetterSetter('rememberNoteVisibility'));
 const keepCw = computed(defaultStore.makeGetterSetter('keepCw'));
 
+//console.log(i)
+//[ selfDestructIntervalAmount.value, selfDestructIntervalUnit.value ] = $i.selfDestructingNotesInterval.split(' ');
+
 function save() {
 	misskeyApi('i/update', {
 		isLocked: !!isLocked.value,
@@ -114,6 +148,10 @@ function save() {
 	});
 }
 
+function saveSelfDestructSettings() {
+	console.log('done');
+}
+
 const headerActions = computed(() => []);
 
 const headerTabs = computed(() => []);