diff --git a/app/src/main/java/com/hmh/hamyeonham/di/NavigatorModule.kt b/app/src/main/java/com/hmh/hamyeonham/di/NavigatorModule.kt
new file mode 100644
index 000000000..02f1a12aa
--- /dev/null
+++ b/app/src/main/java/com/hmh/hamyeonham/di/NavigatorModule.kt
@@ -0,0 +1,17 @@
+package com.hmh.hamyeonham.di
+
+import com.hmh.hamyeonham.common.navigation.NavigationProvider
+import com.hmh.hamyeonham.navigation.DefaultNavigationProvider
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+interface NavigatorModule {
+    @Binds
+    @Singleton
+    fun bindNavigator(navigator: DefaultNavigationProvider): NavigationProvider
+}
diff --git a/app/src/main/java/com/hmh/hamyeonham/navigation/DefaultNavigation.kt b/app/src/main/java/com/hmh/hamyeonham/navigation/DefaultNavigationProvider.kt
similarity index 94%
rename from app/src/main/java/com/hmh/hamyeonham/navigation/DefaultNavigation.kt
rename to app/src/main/java/com/hmh/hamyeonham/navigation/DefaultNavigationProvider.kt
index bfc69e6d3..7f067392d 100644
--- a/app/src/main/java/com/hmh/hamyeonham/navigation/DefaultNavigation.kt
+++ b/app/src/main/java/com/hmh/hamyeonham/navigation/DefaultNavigationProvider.kt
@@ -10,7 +10,7 @@ import com.hmh.hamyeonham.statistics.StaticsActivity
 import dagger.hilt.android.qualifiers.ApplicationContext
 import javax.inject.Inject
 
-class DefaultNavigation @Inject constructor(
+class DefaultNavigationProvider @Inject constructor(
     @ApplicationContext private val context: Context
 ) : NavigationProvider {
     override fun toOnboarding(): Intent {
diff --git a/feature/login/src/main/java/com/hmh/hamyeonham/feature/login/LoginActivity.kt b/feature/login/src/main/java/com/hmh/hamyeonham/feature/login/LoginActivity.kt
index d05c34e79..4f0595d0e 100644
--- a/feature/login/src/main/java/com/hmh/hamyeonham/feature/login/LoginActivity.kt
+++ b/feature/login/src/main/java/com/hmh/hamyeonham/feature/login/LoginActivity.kt
@@ -1,6 +1,7 @@
 package com.hmh.hamyeonham.feature.login
 
 import android.os.Bundle
+import android.util.Log
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import com.hmh.hamyeonham.common.context.toast
@@ -11,8 +12,10 @@ import com.kakao.sdk.auth.model.OAuthToken
 import com.kakao.sdk.common.model.ClientError
 import com.kakao.sdk.common.model.ClientErrorCause
 import com.kakao.sdk.user.UserApiClient
+import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
 
+@AndroidEntryPoint
 class LoginActivity : AppCompatActivity() {
     private lateinit var binding: ActivityLoginBinding
 
diff --git a/feature/onboarding/src/main/AndroidManifest.xml b/feature/onboarding/src/main/AndroidManifest.xml
index a2fcd80d7..1d23c4a79 100644
--- a/feature/onboarding/src/main/AndroidManifest.xml
+++ b/feature/onboarding/src/main/AndroidManifest.xml
@@ -5,6 +5,7 @@
     <uses-permission
         android:name="android.permission.PACKAGE_USAGE_STATS"
         tools:ignore="ProtectedPermissions" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
 
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
 
@@ -25,5 +26,9 @@
                 android:name="android.accessibilityservice"
                 android:resource="@xml/accessibility_service_config" />
         </service>
+
+        <activity
+            android:name=".LockActivity"
+            android:exported="true" />
     </application>
 </manifest>
diff --git a/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/LockActivity.kt b/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/LockActivity.kt
new file mode 100644
index 000000000..2b56f0b1c
--- /dev/null
+++ b/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/LockActivity.kt
@@ -0,0 +1,20 @@
+package com.hmh.hamyeonham.feature.onboarding
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.hmh.hamyeonham.common.context.toast
+import com.hmh.hamyeonham.common.view.viewBinding
+import com.hmh.hamyeonham.feature.onboarding.databinding.ActivityLockBinding
+
+class LockActivity : AppCompatActivity() {
+    private val binding by viewBinding(ActivityLockBinding::inflate)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(binding.root)
+
+        binding.btnLock.setOnClickListener {
+            toast("유튜브 잠금 설정 완료")
+        }
+    }
+}
diff --git a/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/OnBoardingAccessibilityService.kt b/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/OnBoardingAccessibilityService.kt
index 5cc0cc69a..42d8bf158 100644
--- a/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/OnBoardingAccessibilityService.kt
+++ b/feature/onboarding/src/main/java/com/hmh/hamyeonham/feature/onboarding/OnBoardingAccessibilityService.kt
@@ -1,6 +1,7 @@
 package com.hmh.hamyeonham.feature.onboarding
 
 import android.accessibilityservice.AccessibilityService
+import android.content.Intent
 import android.util.Log
 import android.view.accessibility.AccessibilityEvent
 
@@ -8,10 +9,13 @@ class OnBoardingAccessibilityService : AccessibilityService() {
     override fun onAccessibilityEvent(event: AccessibilityEvent) {
         if (event.eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
             val packageName = event.packageName ?: return
-            Log.d("AccessibilityService", "현재 실행 중인 앱 패키지: $packageName")
+            Log.d("OnBoardingAccessibilityService", "onAccessibilityEvent: $packageName")
+            if (packageName != "com.google.android.youtube") return
+            val intent = Intent(this, LockActivity::class.java)
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            startActivity(intent)
         }
     }
 
-    override fun onInterrupt() {
-    }
+    override fun onInterrupt() {}
 }
diff --git a/feature/onboarding/src/main/res/layout/activity_lock.xml b/feature/onboarding/src/main/res/layout/activity_lock.xml
new file mode 100644
index 000000000..7077206f6
--- /dev/null
+++ b/feature/onboarding/src/main/res/layout/activity_lock.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <Button
+        android:id="@+id/btn_lock"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="30dp"
+        android:text="잠금 완료"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>