diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index a22870b3e..0bc553ca1 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -89,6 +89,7 @@
 		"@storybook/types": "7.0.0-rc.10",
 		"@storybook/vue3": "7.0.0-rc.10",
 		"@storybook/vue3-vite": "7.0.0-rc.10",
+		"@testing-library/jest-dom": "^5.16.5",
 		"@testing-library/vue": "^6.6.1",
 		"@types/escape-regexp": "0.0.1",
 		"@types/estree": "^1.0.0",
@@ -99,6 +100,7 @@
 		"@types/punycode": "2.1.0",
 		"@types/sanitize-html": "2.9.0",
 		"@types/seedrandom": "3.0.5",
+		"@types/testing-library__jest-dom": "^5.14.5",
 		"@types/throttle-debounce": "5.0.0",
 		"@types/tinycolor2": "1.4.3",
 		"@types/uuid": "9.0.1",
diff --git a/packages/frontend/src/components/global/MkAd.stories.impl.ts b/packages/frontend/src/components/global/MkAd.stories.impl.ts
index c5c535422..767f8c691 100644
--- a/packages/frontend/src/components/global/MkAd.stories.impl.ts
+++ b/packages/frontend/src/components/global/MkAd.stories.impl.ts
@@ -2,6 +2,7 @@
 import { expect } from '@storybook/jest';
 import { userEvent, within } from '@storybook/testing-library';
 import { StoryObj } from '@storybook/vue3';
+import { i18n } from '@/i18n';
 import MkAd from './MkAd.vue';
 const common = {
 	render(args) {
@@ -38,13 +39,15 @@ const common = {
 		await expect(a).not.toBeInTheDocument();
 		await expect(i).not.toBeInTheDocument();
 		buttons = canvas.getAllByRole<HTMLButtonElement>('button');
-		await expect(buttons).toHaveLength(args._hasReduce ? 2 : 1);
-		const reduce = args._hasReduce ? buttons[0] : null;
-		const back = buttons[args._hasReduce ? 1 : 0];
+		await expect(buttons).toHaveLength(args.__hasReduce ? 2 : 1);
+		const reduce = args.__hasReduce ? buttons[0] : null;
+		const back = buttons[args.__hasReduce ? 1 : 0];
 		if (reduce) {
 			await expect(reduce).toBeInTheDocument();
+			await expect(reduce.textContent).toBe(i18n.ts._ad.reduceFrequencyOfThisAd);
 		}
 		await expect(back).toBeInTheDocument();
+		await expect(back.textContent).toBe(i18n.ts._ad.back);
 		await userEvent.click(back);
 		if (reduce) {
 			await expect(reduce).not.toBeInTheDocument();
@@ -62,7 +65,7 @@ const common = {
 			radio: 1,
 			url: '#test',
 		},
-		_hasReduce: true,
+		__hasReduce: true,
 	},
 	parameters: {
 		layout: 'centered',
@@ -112,6 +115,6 @@ export const ZeroRatio = {
 			...Square.args.specify,
 			ratio: 0,
 		},
-		_hasReduce: false,
+		__hasReduce: false,
 	},
 };
diff --git a/packages/frontend/src/components/global/MkAd.stories.ts b/packages/frontend/src/components/global/MkAd.stories.ts
index 29b3fd53e..23afa7c36 100644
--- a/packages/frontend/src/components/global/MkAd.stories.ts
+++ b/packages/frontend/src/components/global/MkAd.stories.ts
@@ -10,6 +10,7 @@ export default meta;
 import { expect } from '@storybook/jest';
 import { userEvent, within } from '@storybook/testing-library';
 import { StoryObj } from '@storybook/vue3';
+import { i18n } from '@/i18n';
 import MkAd from './MkAd.vue';
 const common = {
 	render(args) {
@@ -51,8 +52,12 @@ const common = {
 		const back = buttons[args._hasReduce ? 1 : 0];
 		if (reduce) {
 			await expect(reduce).toBeInTheDocument();
+			await expect(reduce.textContent).toBe(
+				i18n.ts._ad.reduceFrequencyOfThisAd
+			);
 		}
 		await expect(back).toBeInTheDocument();
+		await expect(back.textContent).toBe(i18n.ts._ad.back);
 		await userEvent.click(back);
 		if (reduce) {
 			await expect(reduce).not.toBeInTheDocument();
diff --git a/packages/frontend/src/scripts/test-utils.ts b/packages/frontend/src/scripts/test-utils.ts
index c526fc156..3e018f2d7 100644
--- a/packages/frontend/src/scripts/test-utils.ts
+++ b/packages/frontend/src/scripts/test-utils.ts
@@ -1,3 +1,5 @@
+/// <reference types="@testing-library/jest-dom"/>
+
 export async function tick(): Promise<void> {
 	// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
 	await new Promise((globalThis.requestIdleCallback ?? setTimeout) as never);
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 79750eef2..852fc9496 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -817,6 +817,9 @@ importers:
       '@storybook/vue3-vite':
         specifier: 7.0.0-rc.10
         version: 7.0.0-rc.10(react-dom@18.2.0)(react@18.2.0)(typescript@5.0.2)(vite@4.2.1)(vue@3.2.47)
+      '@testing-library/jest-dom':
+        specifier: ^5.16.5
+        version: 5.16.5
       '@testing-library/vue':
         specifier: ^6.6.1
         version: 6.6.1(@vue/compiler-sfc@3.2.47)(vue@3.2.47)
@@ -847,6 +850,9 @@ importers:
       '@types/seedrandom':
         specifier: 3.0.5
         version: 3.0.5
+      '@types/testing-library__jest-dom':
+        specifier: ^5.14.5
+        version: 5.14.5
       '@types/throttle-debounce':
         specifier: 5.0.0
         version: 5.0.0
@@ -3927,7 +3933,7 @@ packages:
       chalk: 4.1.2
       ci-info: 3.7.1
       exit: 0.1.2
-      graceful-fs: 4.2.10
+      graceful-fs: 4.2.11
       jest-changed-files: 29.5.0
       jest-config: 29.5.0(@types/node@18.15.11)
       jest-haste-map: 29.5.0
@@ -11806,6 +11812,7 @@ packages:
 
   /graceful-fs@4.2.10:
     resolution: {integrity: sha512-9ByhssR2fPVsNZj478qUUbKfmL0+t5BDVyjShtyZZLiK7ZDAArFFfopyOTj0M05wE2tJPisA4iTnnXl2YoPvOA==}
+    dev: false
 
   /graceful-fs@4.2.11:
     resolution: {integrity: sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==}
@@ -13109,7 +13116,7 @@ packages:
       '@jest/types': 29.5.0
       chalk: 4.1.2
       exit: 0.1.2
-      graceful-fs: 4.2.10
+      graceful-fs: 4.2.11
       import-local: 3.1.0
       jest-config: 29.5.0(@types/node@18.15.11)
       jest-util: 29.5.0