diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index f49f9c5a3c..94c00bad39 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1052,6 +1052,7 @@ failedToPreviewUrl: "プレビューできません"
 update: "更新"
 rolesThatCanBeUsedThisEmojiAsReaction: "リアクションとして使えるロール"
 rolesThatCanBeUsedThisEmojiAsReactionEmptyDescription: "ロールの指定が一つもない場合、誰でもリアクションとして使えます。"
+rolesThatCanBeUsedThisEmojiAsReactionPublicRoleWarn: "ロールは公開ロールである必要があります。"
 
 _initialAccountSetting:
   accountCreated: "アカウントの作成が完了しました！"
diff --git a/packages/backend/src/core/entities/EmojiEntityService.ts b/packages/backend/src/core/entities/EmojiEntityService.ts
index 0c7bd9ed9a..4a18cd1b3b 100644
--- a/packages/backend/src/core/entities/EmojiEntityService.ts
+++ b/packages/backend/src/core/entities/EmojiEntityService.ts
@@ -26,7 +26,8 @@ export class EmojiEntityService {
 			category: emoji.category,
 			// || emoji.originalUrl してるのは後方互換性のため（publicUrlはstringなので??はだめ）
 			url: emoji.publicUrl || emoji.originalUrl,
-			isSensitive: emoji.isSensitive,
+			isSensitive: emoji.isSensitive ? true : undefined,
+			roleIdsThatCanBeUsedThisEmojiAsReaction: emoji.roleIdsThatCanBeUsedThisEmojiAsReaction.length > 0 ? emoji.roleIdsThatCanBeUsedThisEmojiAsReaction : undefined,
 		};
 	}
 
diff --git a/packages/backend/src/models/json-schema/emoji.ts b/packages/backend/src/models/json-schema/emoji.ts
index c59b5d1ef4..63f56e77cb 100644
--- a/packages/backend/src/models/json-schema/emoji.ts
+++ b/packages/backend/src/models/json-schema/emoji.ts
@@ -24,7 +24,16 @@ export const packedEmojiSimpleSchema = {
 		},
 		isSensitive: {
 			type: 'boolean',
-			optional: false, nullable: false,
+			optional: true, nullable: false,
+		},
+		roleIdsThatCanBeUsedThisEmojiAsReaction: {
+			type: 'array',
+			optional: true, nullable: false,
+			items: {
+				type: 'string',
+				optional: false, nullable: false,
+				format: 'id',
+			},
 		},
 	},
 } as const;
diff --git a/packages/frontend/src/account.ts b/packages/frontend/src/account.ts
index 9b104391d7..4770f616ac 100644
--- a/packages/frontend/src/account.ts
+++ b/packages/frontend/src/account.ts
@@ -3,11 +3,11 @@ import * as misskey from 'misskey-js';
 import { showSuspendedDialog } from './scripts/show-suspended-dialog';
 import { i18n } from './i18n';
 import { miLocalStorage } from './local-storage';
+import { MenuButton } from './types/menu';
 import { del, get, set } from '@/scripts/idb-proxy';
 import { apiUrl } from '@/config';
 import { waiting, api, popup, popupMenu, success, alert } from '@/os';
 import { unisonReload, reloadChannel } from '@/scripts/unison-reload';
-import { MenuButton } from './types/menu';
 
 // TODO: 他のタブと永続化されたstateを同期
 
@@ -101,57 +101,57 @@ function fetchAccount(token: string, id?: string, forceShowDialog?: boolean): Pr
 				'Content-Type': 'application/json',
 			},
 		})
-		.then(res => new Promise<Account | { error: Record<string, any> }>((done2, fail2) => {
-			if (res.status >= 500 && res.status < 600) {
+			.then(res => new Promise<Account | { error: Record<string, any> }>((done2, fail2) => {
+				if (res.status >= 500 && res.status < 600) {
 				// サーバーエラー(5xx)の場合をrejectとする
 				// （認証エラーなど4xxはresolve）
-				return fail2(res);
-			}
-			res.json().then(done2, fail2);
-		}))
-		.then(async res => {
-			if (res.error) {
-				if (res.error.id === 'a8c724b3-6e9c-4b46-b1a8-bc3ed6258370') {
+					return fail2(res);
+				}
+				res.json().then(done2, fail2);
+			}))
+			.then(async res => {
+				if (res.error) {
+					if (res.error.id === 'a8c724b3-6e9c-4b46-b1a8-bc3ed6258370') {
 					// SUSPENDED
-					if (forceShowDialog || $i && (token === $i.token || id === $i.id)) {
-						await showSuspendedDialog();
-					}
-				} else if (res.error.id === 'e5b3b9f0-2b8f-4b9f-9c1f-8c5c1b2e1b1a') {
+						if (forceShowDialog || $i && (token === $i.token || id === $i.id)) {
+							await showSuspendedDialog();
+						}
+					} else if (res.error.id === 'e5b3b9f0-2b8f-4b9f-9c1f-8c5c1b2e1b1a') {
 					// USER_IS_DELETED
 					// アカウントが削除されている
-					if (forceShowDialog || $i && (token === $i.token || id === $i.id)) {
-						await alert({
-							type: 'error',
-							title: i18n.ts.accountDeleted,
-							text: i18n.ts.accountDeletedDescription,
-						});
-					}
-				} else if (res.error.id === 'b0a7f5f8-dc2f-4171-b91f-de88ad238e14') {
+						if (forceShowDialog || $i && (token === $i.token || id === $i.id)) {
+							await alert({
+								type: 'error',
+								title: i18n.ts.accountDeleted,
+								text: i18n.ts.accountDeletedDescription,
+							});
+						}
+					} else if (res.error.id === 'b0a7f5f8-dc2f-4171-b91f-de88ad238e14') {
 					// AUTHENTICATION_FAILED
 					// トークンが無効化されていたりアカウントが削除されたりしている
-					if (forceShowDialog || $i && (token === $i.token || id === $i.id)) {
+						if (forceShowDialog || $i && (token === $i.token || id === $i.id)) {
+							await alert({
+								type: 'error',
+								title: i18n.ts.tokenRevoked,
+								text: i18n.ts.tokenRevokedDescription,
+							});
+						}
+					} else {
 						await alert({
 							type: 'error',
-							title: i18n.ts.tokenRevoked,
-							text: i18n.ts.tokenRevokedDescription,
+							title: i18n.ts.failedToFetchAccountInformation,
+							text: JSON.stringify(res.error),
 						});
 					}
-				} else {
-					await alert({
-						type: 'error',
-						title: i18n.ts.failedToFetchAccountInformation,
-						text: JSON.stringify(res.error),
-					});
-				}
 
-				// rejectかつ理由がtrueの場合、削除対象であることを示す
-				fail(true);
-			} else {
-				(res as Account).token = token;
-				done(res as Account);
-			}
-		})
-		.catch(fail);
+					// rejectかつ理由がtrueの場合、削除対象であることを示す
+					fail(true);
+				} else {
+					(res as Account).token = token;
+					done(res as Account);
+				}
+			})
+			.catch(fail);
 	});
 }
 
@@ -305,3 +305,7 @@ export async function openAccountMenu(opts: {
 		});
 	}
 }
+
+if (_DEV_) {
+	(window as any).$i = $i;
+}
diff --git a/packages/frontend/src/components/MkEmojiPicker.vue b/packages/frontend/src/components/MkEmojiPicker.vue
index 9eaf16374b..093a1ec6d4 100644
--- a/packages/frontend/src/components/MkEmojiPicker.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.vue
@@ -69,8 +69,8 @@
 			<XSection
 				v-for="category in customEmojiCategories"
 				:key="`custom:${category}`"
-				:initial-shown="false"
-				:emojis="computed(() => customEmojis.filter(e => category === null ? (e.category === 'null' || !e.category) : e.category === category).map(e => `:${e.name}:`))"
+				:initialShown="false"
+				:emojis="computed(() => customEmojis.filter(e => category === null ? (e.category === 'null' || !e.category) : e.category === category).filter(filterAvailable).map(e => `:${e.name}:`))"
 				@chosen="chosen"
 			>
 				{{ category || i18n.ts.other }}
@@ -102,6 +102,7 @@ import { deviceKind } from '@/scripts/device-kind';
 import { i18n } from '@/i18n';
 import { defaultStore } from '@/store';
 import { customEmojiCategories, customEmojis } from '@/custom-emojis';
+import { $i } from '@/account';
 
 const props = withDefaults(defineProps<{
 	showPinned?: boolean;
@@ -274,10 +275,14 @@ watch(q, () => {
 		return matches;
 	};
 
-	searchResultCustom.value = Array.from(searchCustom());
+	searchResultCustom.value = Array.from(searchCustom()).filter(filterAvailable);
 	searchResultUnicode.value = Array.from(searchUnicode());
 });
 
+function filterAvailable(emoji: Misskey.entities.CustomEmoji): boolean {
+	return (emoji.roleIdsThatCanBeUsedThisEmojiAsReaction == null || emoji.roleIdsThatCanBeUsedThisEmojiAsReaction.length === 0) || ($i && $i.roles.some(r => emoji.roleIdsThatCanBeUsedThisEmojiAsReaction.includes(r.id)));
+}
+
 function focus() {
 	if (!['smartphone', 'tablet'].includes(deviceKind) && !isTouchUsing) {
 		searchEl.value?.focus({
diff --git a/packages/frontend/src/pages/emoji-edit-dialog.vue b/packages/frontend/src/pages/emoji-edit-dialog.vue
index 24b72b6f7f..e36a26638f 100644
--- a/packages/frontend/src/pages/emoji-edit-dialog.vue
+++ b/packages/frontend/src/pages/emoji-edit-dialog.vue
@@ -41,16 +41,19 @@
 				</MkInput>
 				<MkFolder>
 					<template #label>{{ i18n.ts.rolesThatCanBeUsedThisEmojiAsReaction }}</template>
-					<div class="_gaps">
-						<MkInfo>{{ i18n.ts.rolesThatCanBeUsedThisEmojiAsReactionEmptyDescription }}</MkInfo>
+					<template #suffix>{{ rolesThatCanBeUsedThisEmojiAsReaction.length === 0 ? i18n.ts.all : rolesThatCanBeUsedThisEmojiAsReaction.length }}</template>
 
+					<div class="_gaps">
 						<MkButton rounded @click="addRole"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
 
 						<div v-for="role in rolesThatCanBeUsedThisEmojiAsReaction" :key="role.id" :class="$style.roleItem">
-							<MkRolePreview :class="$style.role" :role="role" :forModeration="true" :detailed="false"/>
+							<MkRolePreview :class="$style.role" :role="role" :forModeration="true" :detailed="false" style="pointer-events: none;"/>
 							<button v-if="role.target === 'manual'" class="_button" :class="$style.roleUnassign" @click="removeRole(role, $event)"><i class="ti ti-x"></i></button>
 							<button v-else class="_button" :class="$style.roleUnassign" disabled><i class="ti ti-ban"></i></button>
 						</div>
+
+						<MkInfo>{{ i18n.ts.rolesThatCanBeUsedThisEmojiAsReactionEmptyDescription }}</MkInfo>
+						<MkInfo warn>{{ i18n.ts.rolesThatCanBeUsedThisEmojiAsReactionPublicRoleWarn }}</MkInfo>
 					</div>
 				</MkFolder>
 				<MkSwitch v-model="isSensitive">isSensitive</MkSwitch>
@@ -128,8 +131,8 @@ async function removeRole(role, ev) {
 async function done() {
 	const params = {
 		name,
-		category,
-		aliases: aliases.split(' '),
+		category: category === '' ? null : category,
+		aliases: aliases.split(' ').filter(x => x !== ''),
 		license: license === '' ? null : license,
 		isSensitive,
 		localOnly,