diff --git a/packages/backend/src/core/AnnouncementService.ts b/packages/backend/src/core/AnnouncementService.ts
index 9c6cda6c0d..3fafc2cfc2 100644
--- a/packages/backend/src/core/AnnouncementService.ts
+++ b/packages/backend/src/core/AnnouncementService.ts
@@ -93,7 +93,7 @@ export class AnnouncementService {
 			userId: values.userId,
 		}).then(x => this.announcementsRepository.findOneByOrFail(x.identifiers[0]));
 
-		const packed = (await this.packMany([announcement]))[0];
+		const packed = (await this.packMany([announcement], null))[0];
 
 		if (values.userId) {
 			this.globalEventService.publishMainStream(values.userId, 'announcementCreated', {
@@ -366,7 +366,7 @@ export class AnnouncementService {
 	@bindThis
 	public async packMany(
 		announcements: (MiAnnouncement & { isRead?: boolean | null })[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'Announcement'>[]> {
 		return announcements.map(announcement => ({
 			id: announcement.id,
diff --git a/packages/backend/src/core/QueryService.ts b/packages/backend/src/core/QueryService.ts
index 50d1d2e65b..e65b34a922 100644
--- a/packages/backend/src/core/QueryService.ts
+++ b/packages/backend/src/core/QueryService.ts
@@ -188,7 +188,7 @@ export class QueryService {
 	}
 
 	@bindThis
-	public generateVisibilityQuery(q: SelectQueryBuilder<any>, me?: { id: MiUser['id'] } | null): void {
+	public generateVisibilityQuery(q: SelectQueryBuilder<any>, me: { id: MiUser['id'] } | null): void {
 		// This code must always be synchronized with the checks in Notes.isVisibleForMe.
 		if (me == null) {
 			q.andWhere(new Brackets(qb => {
diff --git a/packages/backend/src/core/UserListService.ts b/packages/backend/src/core/UserListService.ts
index 550a9bf5f2..8cfea7b589 100644
--- a/packages/backend/src/core/UserListService.ts
+++ b/packages/backend/src/core/UserListService.ts
@@ -119,7 +119,7 @@ export class UserListService implements OnApplicationShutdown {
 		});
 
 		this.globalEventService.publishInternalEvent('userListMemberRemoved', { userListId: list.id, memberId: target.id });
-		this.globalEventService.publishUserListStream(list.id, 'userRemoved', await this.userEntityService.pack(target));
+		this.globalEventService.publishUserListStream(list.id, 'userRemoved', await this.userEntityService.pack(target, null));
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/entities/AppEntityService.ts b/packages/backend/src/core/entities/AppEntityService.ts
index 14a93cda5b..8fec971d75 100644
--- a/packages/backend/src/core/entities/AppEntityService.ts
+++ b/packages/backend/src/core/entities/AppEntityService.ts
@@ -25,7 +25,7 @@ export class AppEntityService {
 	@bindThis
 	public async pack(
 		src: MiApp['id'] | MiApp,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		options?: {
 			detail?: boolean,
 			includeSecret?: boolean,
diff --git a/packages/backend/src/core/entities/AuthSessionEntityService.ts b/packages/backend/src/core/entities/AuthSessionEntityService.ts
index fd356cc89d..ea35825cbf 100644
--- a/packages/backend/src/core/entities/AuthSessionEntityService.ts
+++ b/packages/backend/src/core/entities/AuthSessionEntityService.ts
@@ -25,7 +25,7 @@ export class AuthSessionEntityService {
 	@bindThis
 	public async pack(
 		src: MiAuthSession['id'] | MiAuthSession,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) {
 		const session = typeof src === 'object' ? src : await this.authSessionsRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/BlockingEntityService.ts b/packages/backend/src/core/entities/BlockingEntityService.ts
index 11bfd27505..82ee71a2dc 100644
--- a/packages/backend/src/core/entities/BlockingEntityService.ts
+++ b/packages/backend/src/core/entities/BlockingEntityService.ts
@@ -26,7 +26,7 @@ export class BlockingEntityService {
 	@bindThis
 	public async pack(
 		src: MiBlocking['id'] | MiBlocking,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'Blocking'>> {
 		const blocking = typeof src === 'object' ? src : await this.blockingsRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/ChannelEntityService.ts b/packages/backend/src/core/entities/ChannelEntityService.ts
index 5224e9d76c..7972a06dc5 100644
--- a/packages/backend/src/core/entities/ChannelEntityService.ts
+++ b/packages/backend/src/core/entities/ChannelEntityService.ts
@@ -44,7 +44,7 @@ export class ChannelEntityService {
 	@bindThis
 	public async pack(
 		src: MiChannel['id'] | MiChannel,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		detailed?: boolean,
 	): Promise<Packed<'Channel'>> {
 		const channel = typeof src === 'object' ? src : await this.channelsRepository.findOneByOrFail({ id: src });
diff --git a/packages/backend/src/core/entities/ClipEntityService.ts b/packages/backend/src/core/entities/ClipEntityService.ts
index e10c828a0a..4e6adc0db4 100644
--- a/packages/backend/src/core/entities/ClipEntityService.ts
+++ b/packages/backend/src/core/entities/ClipEntityService.ts
@@ -29,7 +29,7 @@ export class ClipEntityService {
 	@bindThis
 	public async pack(
 		src: MiClip['id'] | MiClip,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'Clip'>> {
 		const meId = me ? me.id : null;
 		const clip = typeof src === 'object' ? src : await this.clipsRepository.findOneByOrFail({ id: src });
@@ -51,7 +51,7 @@ export class ClipEntityService {
 	@bindThis
 	public async packMany(
 		clips: (MiClip['id'] | MiClip)[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'Clip'>[]> {
 		return (await Promise.allSettled(clips.map(x => this.pack(x, me))))
 			.filter(result => result.status === 'fulfilled')
diff --git a/packages/backend/src/core/entities/FlashEntityService.ts b/packages/backend/src/core/entities/FlashEntityService.ts
index d321483232..1219c1c138 100644
--- a/packages/backend/src/core/entities/FlashEntityService.ts
+++ b/packages/backend/src/core/entities/FlashEntityService.ts
@@ -30,7 +30,7 @@ export class FlashEntityService {
 	@bindThis
 	public async pack(
 		src: MiFlash['id'] | MiFlash,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'Flash'>> {
 		const meId = me ? me.id : null;
 		const flash = typeof src === 'object' ? src : await this.flashsRepository.findOneByOrFail({ id: src });
@@ -52,7 +52,7 @@ export class FlashEntityService {
 	@bindThis
 	public async packMany(
 		flashs: MiFlash[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'Flash'>[]> {
 		return (await Promise.allSettled(flashs.map(x => this.pack(x, me))))
 			.filter(result => result.status === 'fulfilled')
diff --git a/packages/backend/src/core/entities/FlashLikeEntityService.ts b/packages/backend/src/core/entities/FlashLikeEntityService.ts
index 31807777a8..fe4539627c 100644
--- a/packages/backend/src/core/entities/FlashLikeEntityService.ts
+++ b/packages/backend/src/core/entities/FlashLikeEntityService.ts
@@ -26,7 +26,7 @@ export class FlashLikeEntityService {
 	@bindThis
 	public async pack(
 		src: MiFlashLike['id'] | MiFlashLike,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'FlashLike'>> {
 		const like = typeof src === 'object' ? src : await this.flashLikesRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/FollowRequestEntityService.ts b/packages/backend/src/core/entities/FollowRequestEntityService.ts
index 0153337ec1..2e3243e8dd 100644
--- a/packages/backend/src/core/entities/FollowRequestEntityService.ts
+++ b/packages/backend/src/core/entities/FollowRequestEntityService.ts
@@ -26,7 +26,7 @@ export class FollowRequestEntityService {
 	@bindThis
 	public async pack(
 		src: MiFollowRequest['id'] | MiFollowRequest,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'FollowRequest'>> {
 		const request = typeof src === 'object' ? src : await this.followRequestsRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/FollowingEntityService.ts b/packages/backend/src/core/entities/FollowingEntityService.ts
index 2ddcf73f56..c3ca8dfbb4 100644
--- a/packages/backend/src/core/entities/FollowingEntityService.ts
+++ b/packages/backend/src/core/entities/FollowingEntityService.ts
@@ -71,7 +71,7 @@ export class FollowingEntityService {
 	@bindThis
 	public async pack(
 		src: MiFollowing['id'] | MiFollowing,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		opts?: {
 			populateFollowee?: boolean;
 			populateFollower?: boolean;
@@ -98,7 +98,7 @@ export class FollowingEntityService {
 	@bindThis
 	public async packMany(
 		followings: (MiFollowing['id'] | MiFollowing)[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		opts?: {
 			populateFollowee?: boolean;
 			populateFollower?: boolean;
diff --git a/packages/backend/src/core/entities/GalleryPostEntityService.ts b/packages/backend/src/core/entities/GalleryPostEntityService.ts
index b962268c14..19a80270ed 100644
--- a/packages/backend/src/core/entities/GalleryPostEntityService.ts
+++ b/packages/backend/src/core/entities/GalleryPostEntityService.ts
@@ -32,7 +32,7 @@ export class GalleryPostEntityService {
 	@bindThis
 	public async pack(
 		src: MiGalleryPost['id'] | MiGalleryPost,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'GalleryPost'>> {
 		const meId = me ? me.id : null;
 		const post = typeof src === 'object' ? src : await this.galleryPostsRepository.findOneByOrFail({ id: src });
@@ -58,7 +58,7 @@ export class GalleryPostEntityService {
 	@bindThis
 	public async packMany(
 		posts: MiGalleryPost[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'GalleryPost'>[]> {
 		return (await Promise.allSettled(posts.map(x => this.pack(x, me))))
 			.filter(result => result.status === 'fulfilled')
diff --git a/packages/backend/src/core/entities/InviteCodeEntityService.ts b/packages/backend/src/core/entities/InviteCodeEntityService.ts
index acc7aed91a..40eb226e8d 100644
--- a/packages/backend/src/core/entities/InviteCodeEntityService.ts
+++ b/packages/backend/src/core/entities/InviteCodeEntityService.ts
@@ -26,7 +26,7 @@ export class InviteCodeEntityService {
 	@bindThis
 	public async pack(
 		src: MiRegistrationTicket['id'] | MiRegistrationTicket,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'InviteCode'>> {
 		const target = typeof src === 'object' ? src : await this.registrationTicketsRepository.findOneOrFail({
 			where: {
diff --git a/packages/backend/src/core/entities/MutingEntityService.ts b/packages/backend/src/core/entities/MutingEntityService.ts
index 2347b804e5..6f9a6ffebc 100644
--- a/packages/backend/src/core/entities/MutingEntityService.ts
+++ b/packages/backend/src/core/entities/MutingEntityService.ts
@@ -27,7 +27,7 @@ export class MutingEntityService {
 	@bindThis
 	public async pack(
 		src: MiMuting['id'] | MiMuting,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'Muting'>> {
 		const muting = typeof src === 'object' ? src : await this.mutingsRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/NoteEntityService.ts b/packages/backend/src/core/entities/NoteEntityService.ts
index 2a89e9244c..00b71bd66c 100644
--- a/packages/backend/src/core/entities/NoteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteEntityService.ts
@@ -275,7 +275,7 @@ export class NoteEntityService implements OnModuleInit {
 	@bindThis
 	public async pack(
 		src: MiNote['id'] | MiNote,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		options?: {
 			detail?: boolean;
 			skipHide?: boolean;
@@ -396,7 +396,7 @@ export class NoteEntityService implements OnModuleInit {
 	@bindThis
 	public async packMany(
 		notes: MiNote[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		options?: {
 			detail?: boolean;
 			skipHide?: boolean;
diff --git a/packages/backend/src/core/entities/NoteFavoriteEntityService.ts b/packages/backend/src/core/entities/NoteFavoriteEntityService.ts
index 0da756a6bf..33ba397e20 100644
--- a/packages/backend/src/core/entities/NoteFavoriteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteFavoriteEntityService.ts
@@ -26,7 +26,7 @@ export class NoteFavoriteEntityService {
 	@bindThis
 	public async pack(
 		src: MiNoteFavorite['id'] | MiNoteFavorite,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'NoteFavorite'>> {
 		const favorite = typeof src === 'object' ? src : await this.noteFavoritesRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/NoteReactionEntityService.ts b/packages/backend/src/core/entities/NoteReactionEntityService.ts
index 577272296e..fcfb90c946 100644
--- a/packages/backend/src/core/entities/NoteReactionEntityService.ts
+++ b/packages/backend/src/core/entities/NoteReactionEntityService.ts
@@ -44,7 +44,7 @@ export class NoteReactionEntityService implements OnModuleInit {
 	@bindThis
 	public async pack(
 		src: MiNoteReaction['id'] | MiNoteReaction,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		options?: {
 			withNote: boolean;
 		},
diff --git a/packages/backend/src/core/entities/PageEntityService.ts b/packages/backend/src/core/entities/PageEntityService.ts
index 4e5b07adc3..092f66e255 100644
--- a/packages/backend/src/core/entities/PageEntityService.ts
+++ b/packages/backend/src/core/entities/PageEntityService.ts
@@ -36,7 +36,7 @@ export class PageEntityService {
 	@bindThis
 	public async pack(
 		src: MiPage['id'] | MiPage,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'Page'>> {
 		const meId = me ? me.id : null;
 		const page = typeof src === 'object' ? src : await this.pagesRepository.findOneByOrFail({ id: src });
@@ -109,7 +109,7 @@ export class PageEntityService {
 	@bindThis
 	public async packMany(
 		pages: (MiPage['id'] | MiPage)[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'Page'>[]> {
 		return (await Promise.allSettled(pages.map(x => this.pack(x, me))))
 			.filter(result => result.status === 'fulfilled')
diff --git a/packages/backend/src/core/entities/PageLikeEntityService.ts b/packages/backend/src/core/entities/PageLikeEntityService.ts
index 5210b34c13..c5200bb82d 100644
--- a/packages/backend/src/core/entities/PageLikeEntityService.ts
+++ b/packages/backend/src/core/entities/PageLikeEntityService.ts
@@ -26,7 +26,7 @@ export class PageLikeEntityService {
 	@bindThis
 	public async pack(
 		src: MiPageLike['id'] | MiPageLike,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'PageLike'>> {
 		const like = typeof src === 'object' ? src : await this.pageLikesRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/RenoteMutingEntityService.ts b/packages/backend/src/core/entities/RenoteMutingEntityService.ts
index 0707dfbb5c..5c6e025bb2 100644
--- a/packages/backend/src/core/entities/RenoteMutingEntityService.ts
+++ b/packages/backend/src/core/entities/RenoteMutingEntityService.ts
@@ -27,7 +27,7 @@ export class RenoteMutingEntityService {
 	@bindThis
 	public async pack(
 		src: MiRenoteMuting['id'] | MiRenoteMuting,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	): Promise<Packed<'RenoteMuting'>> {
 		const muting = typeof src === 'object' ? src : await this.renoteMutingsRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/RoleEntityService.ts b/packages/backend/src/core/entities/RoleEntityService.ts
index 9d335a65d3..20bb2ae366 100644
--- a/packages/backend/src/core/entities/RoleEntityService.ts
+++ b/packages/backend/src/core/entities/RoleEntityService.ts
@@ -28,7 +28,7 @@ export class RoleEntityService {
 	@bindThis
 	public async pack(
 		src: MiRole['id'] | MiRole,
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 	) : Promise<Packed<'Role'>> {
 		const role = typeof src === 'object' ? src : await this.rolesRepository.findOneByOrFail({ id: src });
 
diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index 7668d37bcf..405fbeebeb 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -289,7 +289,7 @@ export class UserEntityService implements OnModuleInit {
 
 	public async pack<ExpectsMe extends boolean | null = null, D extends boolean = false>(
 		src: MiUser['id'] | MiUser,
-		me?: { id: MiUser['id']; } | null | undefined,
+		me: { id: MiUser['id']; } | null | undefined,
 		options?: {
 			detail?: D,
 			includeSecrets?: boolean,
@@ -494,7 +494,7 @@ export class UserEntityService implements OnModuleInit {
 
 	public async packMany<D extends boolean = false>(
 		users: (MiUser['id'] | MiUser)[],
-		me?: { id: MiUser['id'] } | null | undefined,
+		me: { id: MiUser['id'] } | null | undefined,
 		options?: {
 			detail?: D,
 			includeSecrets?: boolean,
diff --git a/packages/backend/src/core/entities/UserListEntityService.ts b/packages/backend/src/core/entities/UserListEntityService.ts
index 06b6e852b1..46cb4f05ab 100644
--- a/packages/backend/src/core/entities/UserListEntityService.ts
+++ b/packages/backend/src/core/entities/UserListEntityService.ts
@@ -5,7 +5,7 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import type { MiUserListMembership, UserListMembershipsRepository, UserListsRepository } from '@/models/_.js';
+import type { MiUser, MiUserListMembership, UserListMembershipsRepository, UserListsRepository } from '@/models/_.js';
 import type { Packed } from '@/misc/json-schema.js';
 import type { } from '@/models/Blocking.js';
 import type { MiUserList } from '@/models/UserList.js';
@@ -47,12 +47,13 @@ export class UserListEntityService {
 	@bindThis
 	public async packMembershipsMany(
 		memberships: MiUserListMembership[],
+		me: { id: MiUser['id']; } | null | undefined,
 	) {
 		return Promise.all(memberships.map(async x => ({
 			id: x.id,
 			createdAt: x.createdAt.toISOString(),
 			userId: x.userId,
-			user: await this.userEntityService.pack(x.userId),
+			user: await this.userEntityService.pack(x.userId, me),
 			withReplies: x.withReplies,
 		})));
 	}
diff --git a/packages/backend/src/server/api/endpoints/users/flashs.ts b/packages/backend/src/server/api/endpoints/users/flashs.ts
index 18026dcefb..c3474c62d0 100644
--- a/packages/backend/src/server/api/endpoints/users/flashs.ts
+++ b/packages/backend/src/server/api/endpoints/users/flashs.ts
@@ -56,7 +56,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				.limit(ps.limit)
 				.getMany();
 
-			return await this.flashEntityService.packMany(flashs);
+			return await this.flashEntityService.packMany(flashs, me);
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/users/lists/get-memberships.ts b/packages/backend/src/server/api/endpoints/users/lists/get-memberships.ts
index ae8b4e9b81..5ec35c3115 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/get-memberships.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/get-memberships.ts
@@ -73,7 +73,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				.limit(ps.limit)
 				.getMany();
 
-			return this.userListEntityService.packMembershipsMany(memberships);
+			return this.userListEntityService.packMembershipsMany(memberships, me);
 		});
 	}
 }