diff --git a/cypress/e2e/basic.cy.js b/cypress/e2e/basic.cy.js
index e271894ec..e5e3a466a 100644
--- a/cypress/e2e/basic.cy.js
+++ b/cypress/e2e/basic.cy.js
@@ -159,10 +159,31 @@ describe('After user signed in', () => {
 	});
 
   it('successfully loads', () => {
-		cy.get('[data-cy-open-post-form]').should('be.visible');
+		cy.get('[data-cy-user-setup-continue]').should('be.visible');
+  });
+
+	it('account setup wizard', () => {
+		cy.get('[data-cy-user-setup-continue]').click();
+
+		cy.get('[data-cy-user-setup-user-name] input').type('ありす');
+		cy.get('[data-cy-user-setup-user-description] textarea').type('ほげ');
+		// TODO: アイコン設定テスト
+
+		cy.get('[data-cy-user-setup-continue]').click();
+
+		// フォローはスキップ
+
+		cy.get('[data-cy-user-setup-continue]').click();
+
+		// プッシュ通知設定はスキップ
+
+		cy.get('[data-cy-user-setup-continue]').click();
+
+		cy.get('[data-cy-user-setup-continue]').click();
   });
 
 	it('note', () => {
+		cy.get('[data-cy-open-post-form]').should('be.visible');
 		cy.get('[data-cy-open-post-form]').click();
 		cy.get('[data-cy-post-form-text]').type('Hello, Misskey!');
 		cy.get('[data-cy-open-post-form-submit]').click();
diff --git a/cypress/e2e/widgets.cy.js b/cypress/e2e/widgets.cy.js
index 88e19030c..f5a982eb0 100644
--- a/cypress/e2e/widgets.cy.js
+++ b/cypress/e2e/widgets.cy.js
@@ -10,6 +10,10 @@ describe('After user signed in', () => {
 		cy.registerUser('alice', 'alice1234');
 
 		cy.login('alice', 'alice1234');
+
+		// アカウント初期設定ウィザード
+		cy.get('[data-cy-user-setup] [data-cy-modal-window-close]').click();
+		cy.get('[data-cy-modal-dialog-ok]').click();
 	});
 
 	afterEach(() => {
diff --git a/packages/frontend/src/components/MkDialog.vue b/packages/frontend/src/components/MkDialog.vue
index 7b9aa862e..9f5404ce1 100644
--- a/packages/frontend/src/components/MkDialog.vue
+++ b/packages/frontend/src/components/MkDialog.vue
@@ -32,8 +32,8 @@
 			</template>
 		</MkSelect>
 		<div v-if="(showOkButton || showCancelButton) && !actions" :class="$style.buttons">
-			<MkButton v-if="showOkButton" inline primary rounded :autofocus="!input && !select" :disabled="okButtonDisabled" @click="ok">{{ okText ?? ((showCancelButton || input || select) ? i18n.ts.ok : i18n.ts.gotIt) }}</MkButton>
-			<MkButton v-if="showCancelButton || input || select" inline rounded @click="cancel">{{ cancelText ?? i18n.ts.cancel }}</MkButton>
+			<MkButton v-if="showOkButton" data-cy-modal-dialog-ok inline primary rounded :autofocus="!input && !select" :disabled="okButtonDisabled" @click="ok">{{ okText ?? ((showCancelButton || input || select) ? i18n.ts.ok : i18n.ts.gotIt) }}</MkButton>
+			<MkButton v-if="showCancelButton || input || select" data-cy-modal-dialog-cancel inline rounded @click="cancel">{{ cancelText ?? i18n.ts.cancel }}</MkButton>
 		</div>
 		<div v-if="actions" :class="$style.buttons">
 			<MkButton v-for="action in actions" :key="action.text" inline rounded :primary="action.primary" :danger="action.danger" @click="() => { action.callback(); modal?.close(); }">{{ action.text }}</MkButton>
diff --git a/packages/frontend/src/components/MkModalWindow.vue b/packages/frontend/src/components/MkModalWindow.vue
index f983f7775..1c942cfd0 100644
--- a/packages/frontend/src/components/MkModalWindow.vue
+++ b/packages/frontend/src/components/MkModalWindow.vue
@@ -6,7 +6,7 @@
 			<span class="title">
 				<slot name="header"></slot>
 			</span>
-			<button v-if="!withOkButton" class="_button" @click="$emit('close')"><i class="ti ti-x"></i></button>
+			<button v-if="!withOkButton" class="_button" data-cy-modal-window-close @click="$emit('close')"><i class="ti ti-x"></i></button>
 			<button v-if="withOkButton" class="_button" :disabled="okButtonDisabled" @click="$emit('ok')"><i class="ti ti-check"></i></button>
 		</div>
 		<div class="body">
diff --git a/packages/frontend/src/components/MkUserSetupDialog.vue b/packages/frontend/src/components/MkUserSetupDialog.vue
index a9d117e07..c5e75276f 100644
--- a/packages/frontend/src/components/MkUserSetupDialog.vue
+++ b/packages/frontend/src/components/MkUserSetupDialog.vue
@@ -3,6 +3,7 @@
 	ref="dialog"
 	:width="500"
 	:height="550"
+	data-cy-user-setup
 	@close="close(true)"
 	@closed="emit('closed')"
 >
@@ -23,7 +24,7 @@
 							<i class="ti ti-confetti" style="display: block; margin: auto; font-size: 3em; color: var(--accent);"></i>
 							<div style="font-size: 120%;">{{ i18n.ts._initialAccountSetting.accountCreated }}</div>
 							<div>{{ i18n.ts._initialAccountSetting.letsFillYourProfile }}</div>
-							<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" @click="page++">{{ i18n.ts._initialAccountSetting.profileSetting }} <i class="ti ti-arrow-right"></i></MkButton>
+							<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" data-cy-user-setup-continue @click="page++">{{ i18n.ts._initialAccountSetting.profileSetting }} <i class="ti ti-arrow-right"></i></MkButton>
 						</div>
 					</MkSpacer>
 				</div>
@@ -32,7 +33,7 @@
 				<div style="height: 100cqh; overflow: auto;">
 					<MkSpacer :margin-min="20" :margin-max="28">
 						<XProfile/>
-						<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" @click="page++">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
+						<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" data-cy-user-setup-continue @click="page++">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
 					</MkSpacer>
 				</div>
 			</template>
@@ -40,7 +41,7 @@
 				<div style="height: 100cqh; overflow: auto;">
 					<MkSpacer :margin-min="20" :margin-max="28">
 						<XFollow/>
-						<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" @click="page++">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
+						<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" data-cy-user-setup-continue @click="page++">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
 					</MkSpacer>
 				</div>
 			</template>
@@ -52,7 +53,7 @@
 							<div style="font-size: 120%;">{{ i18n.ts.pushNotification }}</div>
 							<div style="padding: 0 16px;">{{ i18n.t('_initialAccountSetting.pushNotificationDescription', { name: instance.name ?? host }) }}</div>
 							<MkPushNotificationAllowButton primary show-only-to-register style="margin: 0 auto;"/>
-							<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" @click="page++">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
+							<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" data-cy-user-setup-continue @click="page++">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
 						</div>
 					</MkSpacer>
 				</div>
@@ -70,7 +71,7 @@
 								</template>
 							</I18n>
 							<div>{{ i18n.t('_initialAccountSetting.haveFun', { name: instance.name ?? host }) }}</div>
-							<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" @click="close(false)">{{ i18n.ts.close }}</MkButton>
+							<MkButton primary rounded gradate style="margin: 16px auto 0 auto;" data-cy-user-setup-continue @click="close(false)">{{ i18n.ts.close }}</MkButton>
 						</div>
 					</MkSpacer>
 				</div>