diff --git a/app/src/main/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuard.kt b/app/src/main/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuard.kt
new file mode 100644
index 00000000..0f7c0554
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuard.kt
@@ -0,0 +1,160 @@
+package kr.co.vividnext.sodalive.v2.access
+
+import android.app.Activity
+import android.content.Intent
+import androidx.fragment.app.Fragment
+import com.google.gson.Gson
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.common.Constants
+import kr.co.vividnext.sodalive.mypage.MyPageViewModel
+import kr.co.vividnext.sodalive.mypage.auth.Auth
+import kr.co.vividnext.sodalive.mypage.auth.AuthVerifyRequest
+import kr.co.vividnext.sodalive.mypage.auth.BootpayResponse
+import kr.co.vividnext.sodalive.settings.ContentSettingsActivity
+import kr.co.vividnext.sodalive.splash.SplashActivity
+import kr.co.vividnext.sodalive.user.login.LoginActivity
+import kr.co.vividnext.sodalive.v2.components.modal.V2ModalDialog
+import org.koin.android.ext.android.get
+
+class V2AccessGuard(
+    private val policy: AccessPolicy = AccessPolicy(),
+    private val stateProvider: AccessStateProvider = SharedPreferenceAccessStateProvider()
+) {
+    fun ensureAccess(
+        activity: Activity,
+        requirement: AccessRequirement,
+        onAllowed: () -> Unit = {}
+    ): Boolean {
+        return handleDecision(
+            activity = activity,
+            requirement = requirement,
+            startLogin = { startLoginActivity(activity) },
+            onAllowed = onAllowed
+        )
+    }
+
+    fun ensureAccess(
+        fragment: Fragment,
+        requirement: AccessRequirement,
+        onAllowed: () -> Unit = {}
+    ): Boolean {
+        val activity = fragment.requireActivity()
+        return handleDecision(
+            activity = activity,
+            requirement = requirement,
+            startLogin = { startLoginActivity(activity) },
+            onAllowed = onAllowed
+        )
+    }
+
+    fun isAllowed(requirement: AccessRequirement): Boolean {
+        return policy.decide(requirement, stateProvider.current()) == AccessDecision.Allowed
+    }
+
+    private fun handleDecision(
+        activity: Activity,
+        requirement: AccessRequirement,
+        startLogin: () -> Unit,
+        onAllowed: () -> Unit
+    ): Boolean {
+        return executeAccessDecision(
+            decision = policy.decide(requirement, stateProvider.current()),
+            onAllowed = onAllowed,
+            onLoginRequired = startLogin,
+            onAdultVerificationRequired = { showAuthDialog(activity) },
+            onAdultContentSettingRequired = { startContentSettings(activity) }
+        )
+    }
+
+    private fun startLoginActivity(activity: Activity) {
+        activity.startActivity(
+            Intent(activity, LoginActivity::class.java).apply {
+                putExtra(Constants.EXTRA_DATA, activity.intent.extras)
+                addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP)
+            }
+        )
+    }
+
+    private fun showAuthDialog(activity: Activity) {
+        V2ModalDialog(
+            activity = activity,
+            layoutInflater = activity.layoutInflater,
+            title = activity.getString(R.string.auth_title),
+            desc = activity.getString(R.string.auth_desc_live),
+            confirmButtonTitle = activity.getString(R.string.auth_go),
+            confirmButtonClick = { startAuthFlow(activity) },
+            cancelButtonTitle = activity.getString(R.string.cancel),
+            cancelButtonClick = {}
+        ).show(activity.resources.displayMetrics.widthPixels)
+    }
+
+    private fun startAuthFlow(activity: Activity) {
+        val myPageViewModel: MyPageViewModel = activity.get()
+        Auth.auth(activity, activity) { json ->
+            val bootpayResponse = Gson().fromJson(json, BootpayResponse::class.java)
+            val request = AuthVerifyRequest(receiptId = bootpayResponse.data.receiptId)
+            activity.runOnUiThread {
+                if (activity.isFinishing || activity.isDestroyed) return@runOnUiThread
+                myPageViewModel.authVerify(request) {
+                    if (activity.isFinishing || activity.isDestroyed) return@authVerify
+                    activity.startActivity(
+                        Intent(activity, SplashActivity::class.java).apply {
+                            addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK)
+                        }
+                    )
+                    activity.finish()
+                }
+            }
+        }
+    }
+
+    private fun startContentSettings(activity: Activity) {
+        activity.startActivity(
+            Intent(activity, ContentSettingsActivity::class.java).apply {
+                putExtra(Constants.EXTRA_SHOW_SENSITIVE_CONTENT_GUIDE, true)
+            }
+        )
+    }
+}
+
+internal fun executeAccessDecision(
+    decision: AccessDecision,
+    onAllowed: () -> Unit,
+    onLoginRequired: () -> Unit,
+    onAdultVerificationRequired: () -> Unit,
+    onAdultContentSettingRequired: () -> Unit
+): Boolean {
+    return when (decision) {
+        AccessDecision.Allowed -> {
+            onAllowed()
+            true
+        }
+        AccessDecision.LoginRequired -> {
+            onLoginRequired()
+            false
+        }
+        AccessDecision.AdultVerificationRequired -> {
+            onAdultVerificationRequired()
+            false
+        }
+        AccessDecision.AdultContentSettingRequired -> {
+            onAdultContentSettingRequired()
+            false
+        }
+    }
+}
+
+fun Activity.ensureV2Access(
+    requirement: AccessRequirement,
+    onAllowed: () -> Unit = {}
+): Boolean = V2AccessGuard().ensureAccess(this, requirement, onAllowed)
+
+fun Fragment.ensureV2Access(
+    requirement: AccessRequirement,
+    onAllowed: () -> Unit = {}
+): Boolean = V2AccessGuard().ensureAccess(this, requirement, onAllowed)
+
+fun isV2AccessAllowed(requirement: AccessRequirement): Boolean {
+    return V2AccessGuard().isAllowed(requirement)
+}
diff --git a/app/src/test/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuardTest.kt b/app/src/test/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuardTest.kt
new file mode 100644
index 00000000..49c380b9
--- /dev/null
+++ b/app/src/test/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuardTest.kt
@@ -0,0 +1,32 @@
+package kr.co.vividnext.sodalive.v2.access
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class V2AccessGuardTest {
+
+    @Test
+    fun `각 Access 결과는 대응하는 action만 정확히 한 번 실행한다`() {
+        val cases = listOf(
+            AccessDecision.Allowed to "allowed",
+            AccessDecision.LoginRequired to "login",
+            AccessDecision.AdultVerificationRequired to "adultVerification",
+            AccessDecision.AdultContentSettingRequired to "adultContentSetting"
+        )
+
+        cases.forEach { (decision, expectedAction) ->
+            val executedActions = mutableListOf<String>()
+
+            val isAllowed = executeAccessDecision(
+                decision = decision,
+                onAllowed = { executedActions += "allowed" },
+                onLoginRequired = { executedActions += "login" },
+                onAdultVerificationRequired = { executedActions += "adultVerification" },
+                onAdultContentSettingRequired = { executedActions += "adultContentSetting" }
+            )
+
+            assertEquals(decision == AccessDecision.Allowed, isAllowed)
+            assertEquals(listOf(expectedAction), executedActions)
+        }
+    }
+}
diff --git a/app/src/test/java/kr/co/vividnext/sodalive/v2/main/MainV2LoginGuardSourceTest.kt b/app/src/test/java/kr/co/vividnext/sodalive/v2/main/MainV2LoginGuardSourceTest.kt
index fee1a593..fb0cf2c0 100644
--- a/app/src/test/java/kr/co/vividnext/sodalive/v2/main/MainV2LoginGuardSourceTest.kt
+++ b/app/src/test/java/kr/co/vividnext/sodalive/v2/main/MainV2LoginGuardSourceTest.kt
@@ -8,27 +8,50 @@ import java.io.File
 class MainV2LoginGuardSourceTest {
 
     @Test
-    fun `MainV2 로그인 가드는 v2 Activity 로그인 진입점과 성인 콘텐츠 설정을 사용한다`() {
-        val source = projectFile("app/src/main/java/kr/co/vividnext/sodalive/v2/main/MainV2LoginGuard.kt").readText()
+    fun `V2AccessGuard는 기존 로그인 본인인증 성인 콘텐츠 설정 이동 계약을 유지한다`() {
+        val source = projectFile("app/src/main/java/kr/co/vividnext/sodalive/v2/access/V2AccessGuard.kt").readText()
+        val policy = projectFile("app/src/main/java/kr/co/vividnext/sodalive/v2/access/AccessPolicy.kt").readText()
+        val state = projectFile("app/src/main/java/kr/co/vividnext/sodalive/v2/access/AccessState.kt").readText()
+        val mainV2Activity = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/main/MainV2Activity.kt"
+        ).readText()
+        val handleDecisionSource = source.substring(
+            source.indexOf("private fun handleDecision("),
+            source.indexOf("private fun startLoginActivity")
+        )
 
-        assertTrue(source.contains("fun Fragment.ensureMainV2NavigationAllowed("))
-        assertTrue(source.contains("requiresAdultContentAccess: Boolean = false"))
-        assertTrue(source.contains("SharedPreferenceManager.token.isBlank()"))
-        assertTrue(source.contains("(activity as? MainV2Activity)?.showLoginActivity()"))
-        assertTrue(source.contains("SharedPreferenceManager.countryCode.ifBlank { \"KR\" }"))
-        assertTrue(source.contains("SharedPreferenceManager.isAuth"))
+        assertTrue(source.contains("fun Activity.ensureV2Access("))
+        assertTrue(source.contains("fun Fragment.ensureV2Access("))
+        assertTrue(source.contains("fun isV2AccessAllowed(requirement: AccessRequirement): Boolean"))
+        assertTrue(source.contains("fun isAllowed(requirement: AccessRequirement): Boolean"))
+        assertTrue(source.contains("AccessDecision.Allowed"))
+        assertTrue(source.contains("onAllowed()"))
+        assertTrue(handleDecisionSource.contains("onLoginRequired = startLogin"))
+        assertTrue(handleDecisionSource.contains("onAdultVerificationRequired = { showAuthDialog(activity) }"))
+        assertTrue(handleDecisionSource.contains("onAdultContentSettingRequired = { startContentSettings(activity) }"))
+        assertTrue(source.contains("Intent(activity, LoginActivity::class.java)"))
+        assertTrue(source.contains("putExtra(Constants.EXTRA_DATA, activity.intent.extras)"))
+        assertTrue(source.contains("Intent.FLAG_ACTIVITY_CLEAR_TOP"))
+        assertTrue(source.contains("Intent.FLAG_ACTIVITY_SINGLE_TOP"))
         assertTrue(source.contains("V2ModalDialog("))
         assertFalse(source.contains("SodaDialog("))
-        assertTrue(source.contains("Auth.auth(requireActivity(), requireContext())"))
+        assertTrue(source.contains("Auth.auth(activity, activity)"))
         assertTrue(source.contains("Gson().fromJson(json, BootpayResponse::class.java)"))
         assertTrue(source.contains("AuthVerifyRequest(receiptId = bootpayResponse.data.receiptId)"))
         assertTrue(source.contains("myPageViewModel.authVerify(request)"))
+        assertTrue(source.contains("if (activity.isFinishing || activity.isDestroyed)"))
         assertTrue(source.contains("SplashActivity::class.java"))
-        assertTrue(source.contains("SharedPreferenceManager.isAdultContentVisible"))
+        assertTrue(source.contains("Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK"))
         assertTrue(source.contains("ContentSettingsActivity::class.java"))
         assertTrue(source.contains("putExtra(Constants.EXTRA_SHOW_SENSITIVE_CONTENT_GUIDE, true)"))
-        assertFalse(source.contains("Auth.auth(requireActivity(), requireContext()) {}"))
-        assertFalse(source.contains("kr.co.vividnext.sodalive.main.MainActivity"))
+        assertFalse(source.contains("Auth.auth(activity, activity) {}"))
+        assertTrue(policy.contains("state.token.isNotBlank() && state.token.length > LOGIN_TOKEN_MIN_LENGTH"))
+        assertTrue(policy.contains("state.countryCode.ifBlank { \"KR\" } == \"KR\""))
+        assertTrue(state.contains("SharedPreferenceManager.token"))
+        assertTrue(state.contains("SharedPreferenceManager.isAuth"))
+        assertTrue(state.contains("SharedPreferenceManager.isAdultContentVisible"))
+        assertTrue(mainV2Activity.contains("fun showLoginActivity()"))
+        assertTrue(mainV2Activity.contains("ensureV2Access(AccessRequirement.Login)"))
     }
 
     private fun projectFile(relativePath: String): File {