diff --git a/packages/backend/src/core/UserSuspendService.ts b/packages/backend/src/core/UserSuspendService.ts
index 7772845bc5..3d109e0a40 100644
--- a/packages/backend/src/core/UserSuspendService.ts
+++ b/packages/backend/src/core/UserSuspendService.ts
@@ -56,7 +56,10 @@ export class UserSuspendService {
 			isRemoteSuspended: true,
 		});
 
-		this.postSuspend(user, true);
+		(async () => {
+			await this.postSuspend(user, true).catch((e: any) => { });
+			await this.suspendFollowings(user).catch((e: any) => { });
+		})();
 	}
 
 	@bindThis
@@ -73,7 +76,7 @@ export class UserSuspendService {
 
 		(async () => {
 			await this.postUnsuspend(user, false).catch((e: any) => { });
-			await this.restoreFollowings(user).catch((e: any) => { console.error(e); });
+			await this.restoreFollowings(user).catch((e: any) => { });
 		})();
 	}
 
@@ -83,7 +86,10 @@ export class UserSuspendService {
 			isRemoteSuspended: false,
 		});
 
-		this.postUnsuspend(user, true);
+		(async () => {
+			await this.postUnsuspend(user, true).catch((e: any) => { });
+			await this.restoreFollowings(user).catch((e: any) => { });
+		})();
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/activitypub/models/ApPersonService.ts b/packages/backend/src/core/activitypub/models/ApPersonService.ts
index 4e548347f0..fdba16eab4 100644
--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@@ -38,6 +38,7 @@ import { RoleService } from '@/core/RoleService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import type { AccountMoveService } from '@/core/AccountMoveService.js';
 import { checkHttps } from '@/misc/check-https.js';
+import { UserSuspendService } from '@/core/UserSuspendService.js';
 import { getApId, getApType, getOneApHrefNullable, isActor, isCollection, isCollectionOrOrderedCollection, isPropertyValue } from '../type.js';
 import { extractApHashtags } from './tag.js';
 import type { OnModuleInit } from '@nestjs/common';
@@ -48,7 +49,6 @@ import type { ApLoggerService } from '../ApLoggerService.js';
 
 import type { ApImageService } from './ApImageService.js';
 import type { IActor, ICollection, IObject, IOrderedCollection } from '../type.js';
-import { UserSuspendService } from '@/core/UserSuspendService.js';
 
 const nameLength = 128;
 const summaryLength = 2048;
@@ -606,10 +606,12 @@ export class ApPersonService implements OnModuleInit {
 		//#region suspend
 		if (exist.isRemoteSuspended === false && person.suspended === true) {
 			// リモートサーバーでアカウントが凍結された
+			this.logger.info(`Remote User Suspended: acct=${exist.username}@${exist.host} id=${exist.id} uri=${exist.uri}`);
 			this.userSuspendService.suspendFromRemote({ id: exist.id, host: exist.host });
 		}
 		if (exist.isRemoteSuspended === true && person.suspended === false) {
 			// リモートサーバーでアカウントが解凍された
+			this.logger.info(`Remote User Unsuspended: acct=${exist.username}@${exist.host} id=${exist.id} uri=${exist.uri}`);
 			this.userSuspendService.unsuspendFromRemote({ id: exist.id, host: exist.host });
 		}
 		//#endregion
diff --git a/packages/backend/src/server/api/endpoints/users/followers.ts b/packages/backend/src/server/api/endpoints/users/followers.ts
index 3afba603a2..d2dd8cd744 100644
--- a/packages/backend/src/server/api/endpoints/users/followers.ts
+++ b/packages/backend/src/server/api/endpoints/users/followers.ts
@@ -137,13 +137,15 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			const query = this.queryService.makePaginationQuery(this.followingsRepository.createQueryBuilder('following'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
 				.andWhere('following.followeeId = :userId', { userId: user.id })
-				.andWhere('following.isFollowerSuspended = false')
+				.andWhere('following.isFollowerSuspended = FALSE')
 				.innerJoinAndSelect('following.follower', 'follower');
 
 			const followings = await query
 				.limit(ps.limit)
 				.getMany();
 
+			console.log(followings);
+
 			return await this.followingEntityService.packMany(followings, me, { populateFollower: true });
 		});
 	}
diff --git a/packages/backend/test-federation/test/user-suspension.test.ts b/packages/backend/test-federation/test/user-suspension.test.ts
index e5d119d564..a2e6fb787d 100644
--- a/packages/backend/test-federation/test/user-suspension.test.ts
+++ b/packages/backend/test-federation/test/user-suspension.test.ts
@@ -35,13 +35,15 @@ describe('User Suspension', () => {
 				await aAdmin.client.request('admin/suspend-user', { userId: alice.id });
 				await sleep();
 
-				const following = await bob.client.request('users/following', { userId: bob.id });
-				strictEqual(following.length, 0); // no following relation
+				const aliceInBRaw = await bAdmin.client.request('admin/show-user', { userId: aliceInB.id });
+				strictEqual(aliceInBRaw.isRemoteSuspended, true);
+				const renewedAliceInB = await bob.client.request('users/show', { userId: aliceInB.id });
+				strictEqual(renewedAliceInB.isSuspended, true);
 
 				await rejects(
 					async () => await bob.client.request('following/create', { userId: aliceInB.id }),
 					(err: any) => {
-						strictEqual(err.code, 'NO_SUCH_USER');
+						strictEqual(err.code, 'ALREADY_FOLLOWING');
 						return true;
 					},
 				);
@@ -51,35 +53,18 @@ describe('User Suspension', () => {
 				await aAdmin.client.request('admin/unsuspend-user', { userId: alice.id });
 				await sleep();
 
-				const followers = await alice.client.request('users/followers', { userId: alice.id });
-				strictEqual(followers.length, 1); // FIXME: followers are not deleted??
+				const aliceInBRenewed = await bAdmin.client.request('admin/show-user', { userId: aliceInB.id });
+				strictEqual(aliceInBRenewed.isRemoteSuspended, false);
 
-				/**
-				 * FIXME: still rejected!
-				 *        seems to can't process Undo Delete activity because it is not implemented
-				 *        related @see https://github.com/misskey-dev/misskey/issues/13273
-				 */
 				await rejects(
 					async () => await bob.client.request('following/create', { userId: aliceInB.id }),
 					(err: any) => {
-						strictEqual(err.code, 'NO_SUCH_USER');
-						return true;
-					},
-				);
-
-				// FIXME: resolving also fails
-				await rejects(
-					async () => await resolveRemoteUser('a.test', alice.id, bob),
-					(err: any) => {
-						strictEqual(err.code, 'INTERNAL_ERROR');
+						strictEqual(err.code, 'ALREADY_FOLLOWING');
 						return true;
 					},
 				);
 			});
 
-			/**
-			 * instead of simple unsuspension, let's tell existence by following from Alice
-			 */
 			test('Alice can follow Bob', async () => {
 				await alice.client.request('following/create', { userId: bobInA.id });
 				await sleep();
@@ -87,29 +72,23 @@ describe('User Suspension', () => {
 				const bobFollowers = await bob.client.request('users/followers', { userId: bob.id });
 				strictEqual(bobFollowers.length, 1); // followed by Alice
 				assert(bobFollowers[0].follower != null);
-				const renewedaliceInB = bobFollowers[0].follower;
-				assert(aliceInB.username === renewedaliceInB.username);
-				assert(aliceInB.host === renewedaliceInB.host);
-				assert(aliceInB.id !== renewedaliceInB.id); // TODO: Same username and host, but their ids are different! Is it OK?
+				const renewedAliceInB = bobFollowers[0].follower;
+				assert(aliceInB.username === renewedAliceInB.username);
+				assert(aliceInB.host === renewedAliceInB.host);
+				assert(aliceInB.id === renewedAliceInB.id);
+			});
 
-				const following = await bob.client.request('users/following', { userId: bob.id });
-				strictEqual(following.length, 0); // following are deleted
+			test('Alice follows Bob, and Alice gets suspended, the following relation hidden', async () => {
+				await aAdmin.client.request('admin/suspend-user', { userId: alice.id });
+				await sleep(1000);
 
-				// Bob tries to follow Alice
-				await bob.client.request('following/create', { userId: renewedaliceInB.id });
-				await sleep();
+				const renewedAliceInB = await bob.client.request('users/show', { userId: aliceInB.id });
+				strictEqual(renewedAliceInB.isSuspended, true);
+				const aliceInBRaw = await bAdmin.client.request('admin/show-user', { userId: aliceInB.id });
+				strictEqual(aliceInBRaw.isRemoteSuspended, true);
 
-				const aliceFollowers = await alice.client.request('users/followers', { userId: alice.id });
-				strictEqual(aliceFollowers.length, 1);
-
-				// FIXME: but resolving still fails ...
-				await rejects(
-					async () => await resolveRemoteUser('a.test', alice.id, bob),
-					(err: any) => {
-						strictEqual(err.code, 'INTERNAL_ERROR');
-						return true;
-					},
-				);
+				const bobFollowers = await bob.client.request('users/followers', { userId: bob.id });
+				strictEqual(bobFollowers.length, 0); // Relation is hidden
 			});
 		});
 	});