diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 786d41ca41..174c28f4a1 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -935,6 +935,8 @@ manageCustomEmojis: "カスタム絵文字の管理"
 youCannotCreateAnymore: "これ以上作成することはできません。"
 cannotPerformTemporary: "一時的に利用できません"
 cannotPerformTemporaryDescription: "操作回数が制限を超過するため一時的に利用できません。しばらく時間を置いてから再度お試しください。"
+preset: "プリセット"
+selectFromPresets: "プリセットから選択"
 
 _role:
   new: "ロールの作成"
diff --git a/packages/frontend/src/components/MkAsUi.vue b/packages/frontend/src/components/MkAsUi.vue
index 5844a18633..6aaf2f956c 100644
--- a/packages/frontend/src/components/MkAsUi.vue
+++ b/packages/frontend/src/components/MkAsUi.vue
@@ -32,7 +32,7 @@
 		<template v-if="c.caption" #caption>{{ c.caption }}</template>
 		<option v-for="item in c.items" :key="item.value" :value="item.value">{{ item.text }}</option>
 	</MkSelect>
-	<MkButton v-else-if="c.type === 'postFormButton'" :primary="c.primary" :rounded="c.rounded" :small="size === 'small'" @click="openPostForm">{{ c.text }}</MkButton>
+	<MkButton v-else-if="c.type === 'postFormButton'" :primary="c.primary" :rounded="c.rounded" :small="size === 'small'" inline @click="openPostForm">{{ c.text }}</MkButton>
 	<MkFolder v-else-if="c.type === 'folder'" :default-open="c.opened">
 		<template #label>{{ c.title }}</template>
 		<template v-for="child in c.children" :key="child">
diff --git a/packages/frontend/src/pages/flash/flash-edit.vue b/packages/frontend/src/pages/flash/flash-edit.vue
index 5e2ca9a9f3..1ce7e46962 100644
--- a/packages/frontend/src/pages/flash/flash-edit.vue
+++ b/packages/frontend/src/pages/flash/flash-edit.vue
@@ -2,13 +2,14 @@
 <MkStickyContainer>
 	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :content-max="700">
-		<div class="_gaps_m">
+		<div class="_gaps">
 			<MkInput v-model="title">
 				<template #label>{{ i18n.ts._play.title }}</template>
 			</MkInput>
 			<MkTextarea v-model="summary">
 				<template #label>{{ i18n.ts._play.summary }}</template>
 			</MkTextarea>
+			<MkButton primary @click="selectPreset">{{ i18n.ts.selectFromPresets }}<i class="ti ti-chevron-down"></i></MkButton>
 			<MkTextarea v-model="script" class="_monospace" tall spellcheck="false">
 				<template #label>{{ i18n.ts._play.script }}</template>
 			</MkTextarea>
@@ -67,6 +68,56 @@ Ui:render([
 ])
 `);
 
+function selectPreset(ev: MouseEvent) {
+	os.popupMenu([{
+		text: 'Omikuji',
+		action: () => {
+			script = `/// @ 0.12.2
+// ユーザーごとに日替わりのおみくじのプリセット
+
+// 選択肢
+let choices = [
+	"ｷﾞｶﾞ吉"
+	"大吉"
+	"吉"
+	"中吉"
+	"小吉"
+	"末吉"
+	"凶"
+	"大凶"
+]
+
+// シードが「ユーザーID+今日の日付」である乱数生成器を用意
+let random = Math:gen_rng(\`{USER_ID}{Date:day()}\`)
+
+// ランダムに選択肢を選ぶ
+let chosen = choices[random(0 (choices.len - 1))]
+
+// 結果のテキスト
+let result = \`今日のあなたの運勢は **{chosen}** です。\`
+
+// UIを表示
+Ui:render([
+	Ui:C:container({
+		align: 'center'
+		children: [
+			Ui:C:mfm({ text: result })
+			Ui:C:postFormButton({
+				text: "投稿する"
+				rounded: true
+				primary: true
+				form: {
+					text: \`{result}{Str:lf}{THIS_URL}\`
+				}
+			})
+		]
+	})
+])
+`;
+		},
+	}], ev.currentTarget ?? ev.target);
+}
+
 async function save() {
 	if (flash) {
 		os.apiWithDialog('flash/update', {
diff --git a/packages/frontend/src/pages/flash/flash.vue b/packages/frontend/src/pages/flash/flash.vue
index ebd470ca4f..0e785f259c 100644
--- a/packages/frontend/src/pages/flash/flash.vue
+++ b/packages/frontend/src/pages/flash/flash.vue
@@ -130,7 +130,7 @@ const parser = new Parser();
 let started = $ref(false);
 let aiscript = $shallowRef<Interpreter | null>(null);
 const root = ref<AsUiRoot>();
-const components: Ref<AsUiComponent>[] = [];
+const components: Ref<AsUiComponent>[] = $ref([]);
 
 function start() {
 	started = true;
diff --git a/packages/frontend/src/pages/scratchpad.vue b/packages/frontend/src/pages/scratchpad.vue
index ff5f06c8da..bd68df724e 100644
--- a/packages/frontend/src/pages/scratchpad.vue
+++ b/packages/frontend/src/pages/scratchpad.vue
@@ -53,7 +53,7 @@ let aiscript: Interpreter;
 const code = ref('');
 const logs = ref<any[]>([]);
 const root = ref<AsUiRoot>();
-let components: Ref<AsUiComponent>[] = [];
+let components: Ref<AsUiComponent>[] = $ref([]);
 let uiKey = $ref(0);
 
 const saved = miLocalStorage.getItem('scratchpad');
diff --git a/packages/frontend/src/widgets/WidgetAiscriptApp.vue b/packages/frontend/src/widgets/WidgetAiscriptApp.vue
index 1445e5b1ad..406fb92d86 100644
--- a/packages/frontend/src/widgets/WidgetAiscriptApp.vue
+++ b/packages/frontend/src/widgets/WidgetAiscriptApp.vue
@@ -50,7 +50,7 @@ const { widgetProps, configure } = useWidgetPropsManager(name,
 const parser = new Parser();
 
 const root = ref<AsUiRoot>();
-const components: Ref<AsUiComponent>[] = [];
+const components: Ref<AsUiComponent>[] = $ref([]);
 
 async function run() {
 	const aiscript = new Interpreter({