diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 5f13524d0a81..478895e86ecc 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -259,6 +259,11 @@ watch: "ウォッチ"
 unwatch: "ウォッチ解除"
 accept: "許可"
 reject: "拒否"
+instanceName: "インスタンス名"
+instanceDescription: "インスタンスの紹介"
+maintainerName: "管理者の名前"
+maintainerEmail: "管理者のメールアドレス"
+tosUrl: "インスタンス"
 
 _widgets:
   memo: "付箋"
diff --git a/package.json b/package.json
index 68d552a54abf..ba1f455c848c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "misskey",
-	"author": "syuilo <i@syuilo.com>",
-	"version": "12.0.0-alpha.1",
+	"author": "syuilo <syuilotan@yahoo.co.jp>",
+	"version": "12.0.0-alpha.2",
 	"codename": "daybreak",
 	"repository": {
 		"type": "git",
diff --git a/src/client/components/signup.vue b/src/client/components/signup.vue
index b944641b8161..763b28a8b2a5 100644
--- a/src/client/components/signup.vue
+++ b/src/client/components/signup.vue
@@ -37,13 +37,13 @@
 				<p v-if="passwordRetypeState == 'not-match'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> {{ $t('password-not-matched') }}</p>
 			</template>
 		</x-input>
-		<x-switch v-model="ToSAgreement" v-if="meta.ToSUrl">
+		<x-switch v-model="ToSAgreement" v-if="meta.tosUrl">
 			<i18n path="agreeTo">
-				<a :href="meta.ToSUrl" target="_blank">{{ $t('tos') }}</a>
+				<a :href="meta.tosUrl" target="_blank">{{ $t('tos') }}</a>
 			</i18n>
 		</x-switch>
 		<div v-if="meta.enableRecaptcha" class="g-recaptcha" :data-sitekey="meta.recaptchaSiteKey" style="margin: 16px 0;"></div>
-		<x-button type="submit" :disabled=" submitting || !(meta.ToSUrl ? ToSAgreement : true) || passwordRetypeState == 'not-match'" primary>{{ $t('start') }}</x-button>
+		<x-button type="submit" :disabled=" submitting || !(meta.tosUrl ? ToSAgreement : true) || passwordRetypeState == 'not-match'" primary>{{ $t('start') }}</x-button>
 	</template>
 </form>
 </template>
diff --git a/src/client/pages/instance/index.vue b/src/client/pages/instance/index.vue
index 5e5b66f447b4..76a25f08b44e 100644
--- a/src/client/pages/instance/index.vue
+++ b/src/client/pages/instance/index.vue
@@ -19,6 +19,19 @@
 		</div>
 	</section>
 
+	<section class="_section">
+		<div class="_content">
+			<x-input v-model="name">{{ $t('instanceName') }}</x-input>
+			<x-textarea v-model="description">{{ $t('instanceDescription') }}</x-textarea>
+			<x-input v-model="tosUrl"><template #icon><fa :icon="faLink"/></template>{{ $t('tosUrl') }}</x-input>
+			<x-input v-model="maintainerName">{{ $t('maintainerName') }}</x-input>
+			<x-input v-model="maintainerEmail" type="email"><template #icon><fa :icon="faEnvelope"/></template>{{ $t('maintainerEmail') }}</x-input>
+		</div>
+		<div class="_footer">
+			<x-button primary @click="save()"><fa :icon="faSave"/> {{ $t('save') }}</x-button>
+		</div>
+	</section>
+
 	<section class="_section">
 		<div class="_title"><fa :icon="faCloud"/> {{ $t('files') }}</div>
 		<div class="_content">
@@ -56,8 +69,8 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import { faGhost, faCog, faPlus, faCloud, faInfoCircle, faBan, faSave, faServer } from '@fortawesome/free-solid-svg-icons';
-import { faTrashAlt } from '@fortawesome/free-regular-svg-icons';
+import { faGhost, faCog, faPlus, faCloud, faInfoCircle, faBan, faSave, faServer, faLink } from '@fortawesome/free-solid-svg-icons';
+import { faTrashAlt, faEnvelope } from '@fortawesome/free-regular-svg-icons';
 import XButton from '../../components/ui/button.vue';
 import XInput from '../../components/ui/input.vue';
 import XTextarea from '../../components/ui/textarea.vue';
@@ -91,13 +104,23 @@ export default Vue.extend({
 			cacheRemoteFiles: false,
 			remoteDriveCapacityMb: 0,
 			blockedHosts: '',
-			faTrashAlt, faGhost, faCog, faPlus, faCloud, faInfoCircle, faBan, faSave, faServer
+			maintainerName: null,
+			maintainerEmail: null,
+			name: null,
+			description: null,
+			tosUrl: null,
+			faTrashAlt, faGhost, faCog, faPlus, faCloud, faInfoCircle, faBan, faSave, faServer, faLink, faEnvelope
 		}
 	},
 
 	created() {
 		this.$root.getMeta().then(meta => {
 			this.meta = meta;
+			this.name = this.meta.name;
+			this.description = this.meta.description;
+			this.tosUrl = this.meta.tosUrl;
+			this.maintainerName = this.meta.maintainerName;
+			this.maintainerEmail = this.meta.maintainerEmail;
 			this.proxyAccount = this.meta.proxyAccount;
 			this.cacheRemoteFiles = this.meta.cacheRemoteFiles;
 			this.remoteDriveCapacityMb = this.meta.driveCapacityPerRemoteUserMb;
@@ -116,6 +139,11 @@ export default Vue.extend({
 	methods: {
 		save() {
 			this.$root.api('admin/update-meta', {
+				name: this.name,
+				description: this.description,
+				tosUrl: this.tosUrl,
+				maintainerName: this.maintainerName,
+				maintainerEmail: this.maintainerEmail,
 				proxyAccount: this.proxyAccount,
 				cacheRemoteFiles: this.cacheRemoteFiles,
 				remoteDriveCapacityMb: this.remoteDriveCapacityMb,
diff --git a/src/server/api/endpoints/admin/update-meta.ts b/src/server/api/endpoints/admin/update-meta.ts
index c91acbf90a39..1d458109776b 100644
--- a/src/server/api/endpoints/admin/update-meta.ts
+++ b/src/server/api/endpoints/admin/update-meta.ts
@@ -333,7 +333,7 @@ export const meta = {
 			}
 		},
 
-		ToSUrl: {
+		tosUrl: {
 			validator: $.optional.nullable.str,
 			desc: {
 				'ja-JP': '利用規約のURL'
@@ -579,8 +579,8 @@ export default define(meta, async (ps, me) => {
 		set.swPrivateKey = ps.swPrivateKey;
 	}
 
-	if (ps.ToSUrl !== undefined) {
-		set.ToSUrl = ps.ToSUrl;
+	if (ps.tosUrl !== undefined) {
+		set.ToSUrl = ps.tosUrl;
 	}
 
 	if (ps.repositoryUrl !== undefined) {
diff --git a/src/server/api/endpoints/meta.ts b/src/server/api/endpoints/meta.ts
index b1cd4af37176..868890529e01 100644
--- a/src/server/api/endpoints/meta.ts
+++ b/src/server/api/endpoints/meta.ts
@@ -111,7 +111,7 @@ export default define(meta, async (ps, me) => {
 		uri: config.url,
 		description: instance.description,
 		langs: instance.langs,
-		ToSUrl: instance.ToSUrl,
+		tosUrl: instance.ToSUrl,
 		repositoryUrl: instance.repositoryUrl,
 		feedbackUrl: instance.feedbackUrl,
 
diff --git a/src/server/nodeinfo.ts b/src/server/nodeinfo.ts
index 5917b697460c..2ff924e68d0d 100644
--- a/src/server/nodeinfo.ts
+++ b/src/server/nodeinfo.ts
@@ -59,7 +59,7 @@ const nodeinfo2 = async () => {
 				email: meta.maintainerEmail
 			},
 			langs: meta.langs,
-			ToSUrl: meta.ToSUrl,
+			tosUrl: meta.ToSUrl,
 			repositoryUrl: meta.repositoryUrl,
 			feedbackUrl: meta.feedbackUrl,
 			disableRegistration: meta.disableRegistration,