diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5ff0af61f..130a354a83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,8 @@
 ### Server
 - Enhance: RedisへのTLのキャッシュをオフにできるように
 - Enhance: フォローしているチャンネルをフォロー解除した時（またはその逆）、タイムラインに反映される間隔を改善
+- Enhance: プロフィールの自己紹介欄のMFMが連合するようになりました
+	- 相手がMisskey v2023.11.0以降である必要があります
 - Fix: リストTLに自分のフォロワー限定投稿が含まれない問題を修正
 - Fix: ローカルタイムラインに投稿者自身の投稿への返信が含まれない問題を修正
 - Fix: 自分のフォローしているユーザーの自分のフォローしていないユーザーの visibility: followers な投稿への返信がストリーミングで流れてくる問題を修正
diff --git a/package.json b/package.json
index 16ff3c39ca..1de8ec1bf0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "2023.11.0-beta.4-prismisskey.1",
+	"version": "2023.11.0-beta.5-prismisskey.1",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/backend/src/core/activitypub/ApRendererService.ts b/packages/backend/src/core/activitypub/ApRendererService.ts
index e29bc1d096..49f9ebe3fb 100644
--- a/packages/backend/src/core/activitypub/ApRendererService.ts
+++ b/packages/backend/src/core/activitypub/ApRendererService.ts
@@ -495,6 +495,7 @@ export class ApRendererService {
 			preferredUsername: user.username,
 			name: user.name,
 			summary: profile.description ? this.mfmService.toHtml(mfm.parse(profile.description)) : null,
+			_misskey_summary: profile.description,
 			icon: avatar ? this.renderImage(avatar) : null,
 			image: banner ? this.renderImage(banner) : null,
 			tag,
@@ -644,6 +645,7 @@ export class ApRendererService {
 					'_misskey_quote': 'misskey:_misskey_quote',
 					'_misskey_reaction': 'misskey:_misskey_reaction',
 					'_misskey_votes': 'misskey:_misskey_votes',
+					'_misskey_summary': 'misskey:_misskey_summary',
 					'isCat': 'misskey:isCat',
 					// vcard
 					vcard: 'http://www.w3.org/2006/vcard/ns#',
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 47f8d7313e..7164feec9d 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -321,7 +321,7 @@ export class ApPersonService implements OnModuleInit {
 
 				await transactionalEntityManager.save(new MiUserProfile({
 					userId: user.id,
-					description: person.summary ? this.apMfmService.htmlToMfm(truncate(person.summary, summaryLength), person.tag) : null,
+					description: person._misskey_summary ? truncate(person._misskey_summary, summaryLength) : person.summary ? this.apMfmService.htmlToMfm(truncate(person.summary, summaryLength), person.tag) : null,
 					url,
 					fields,
 					birthday: bday?.[0] ?? null,
diff --git a/packages/backend/src/core/activitypub/type.ts b/packages/backend/src/core/activitypub/type.ts
index 16ff86e894..d9fcc99066 100644
--- a/packages/backend/src/core/activitypub/type.ts
+++ b/packages/backend/src/core/activitypub/type.ts
@@ -12,6 +12,7 @@ export interface IObject {
 	id?: string;
 	name?: string | null;
 	summary?: string;
+	_misskey_summary?: string;
 	published?: string;
 	cc?: ApObject;
 	to?: ApObject;