diff --git a/packages/backend/src/server/api/endpoints/users/notes.ts b/packages/backend/src/server/api/endpoints/users/notes.ts
index 56983f7bc45c..365247f8562e 100644
--- a/packages/backend/src/server/api/endpoints/users/notes.ts
+++ b/packages/backend/src/server/api/endpoints/users/notes.ts
@@ -45,6 +45,7 @@ export const paramDef = {
 		userId: { type: 'string', format: 'misskey:id' },
 		withReplies: { type: 'boolean', default: false },
 		withRenotes: { type: 'boolean', default: true },
+		withSpecified: { type: 'boolean', default: true },
 		withChannelNotes: { type: 'boolean', default: false },
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		sinceId: { type: 'string', format: 'misskey:id' },
@@ -86,6 +87,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					withChannelNotes: ps.withChannelNotes,
 					withFiles: ps.withFiles,
 					withRenotes: ps.withRenotes,
+					withSpecified: ps.withSpecified
 				}, me);
 
 				return await this.noteEntityService.packMany(timeline, me);
@@ -122,7 +124,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					}
 
 					if (note.channel?.isSensitive && !isSelf) return false;
-					if (note.visibility === 'specified' && (!me || (me.id !== note.userId && !note.visibleUserIds.some(v => v === me.id)))) return false;
+					if (note.visibility === 'specified' && (!ps.withSpecified || !me || (me.id !== note.userId && !note.visibleUserIds.some(v => v === me.id)))) return false;
 					if (note.visibility === 'followers' && !isFollowing && !isSelf) return false;
 
 					return true;
@@ -134,7 +136,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					userId: ps.userId,
 					withChannelNotes: ps.withChannelNotes,
 					withFiles: ps.withFiles,
+					withSpecified: ps.withSpecified,
 					withRenotes: ps.withRenotes,
+					withSpecified: ps.withSpecified,
 				}, me),
 			});
 
@@ -150,6 +154,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		withChannelNotes: boolean,
 		withFiles: boolean,
 		withRenotes: boolean,
+		withSpecified: boolean,
 	}, me: MiLocalUser | null) {
 		const isSelf = me && (me.id === ps.userId);
 
@@ -181,6 +186,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			query.andWhere('note.fileIds != \'{}\'');
 		}
 
+		if (!ps.withSpecified) {
+			query.andWhere('note.visibility != \'specified\'');
+		}
+
 		if (ps.withRenotes === false) {
 			query.andWhere(new Brackets(qb => {
 				qb.orWhere('note.userId != :userId', { userId: ps.userId });
diff --git a/packages/frontend/src/pages/user/index.timeline.vue b/packages/frontend/src/pages/user/index.timeline.vue
index 6cf5bcf91ff3..2845067a7479 100644
--- a/packages/frontend/src/pages/user/index.timeline.vue
+++ b/packages/frontend/src/pages/user/index.timeline.vue
@@ -39,6 +39,7 @@ const pagination = {
 		withRenotes: include.value === 'all',
 		withReplies: include.value === 'all',
 		withChannelNotes: include.value === 'all',
+		withSpecified: include.value === 'all',
 		withFiles: include.value === 'files',
 	})),
 };