diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d3b79b5..9085250 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,7 +19,6 @@
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme">
-
         <activity android:name=".refactor.activity.RegistrationActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -27,11 +26,12 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".refactor.activity.RoomListActivity" />
 
         <activity
             android:name=".accounts.RegistrationActivity"
             android:label="@string/title_activity_registration"
-            android:screenOrientation="landscape"></activity>
+            android:screenOrientation="landscape" />
         <activity
             android:name=".battles.ResultActivity"
             android:label="@string/title_activity_result"
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java
index dfbf0f3..09de4ea 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java
@@ -1,5 +1,6 @@
 package com.example.sprout.refactor.activity;
 
+import android.content.Intent;
 import android.databinding.DataBindingUtil;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
@@ -45,6 +46,7 @@
     public void startActivity(ActivityEvent event) {
         switch (event) {
             case START_ROOM_LIST:
+                startActivity(new Intent(RegistrationActivity.this, RoomListActivity.class));
                 break;
         }
     }
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java
new file mode 100644
index 0000000..7819156
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java
@@ -0,0 +1,24 @@
+package com.example.sprout.refactor.activity;
+
+import android.databinding.DataBindingUtil;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.example.sprout.R;
+import com.example.sprout.databinding.RfActivityRoomListBinding;
+import com.example.sprout.refactor.viewmodel.RoomListViewModel;
+
+/**
+ *
+ */
+public class RoomListActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        RfActivityRoomListBinding binding = DataBindingUtil.setContentView(this, R.layout.rf_activity_room_list);
+        RoomListViewModel roomMainViewModel = new RoomListViewModel();
+        binding.setViewModel(roomMainViewModel);
+        getLifecycle().addObserver(roomMainViewModel);
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/common/ActivityEvent.java b/app/src/main/java/com/example/sprout/refactor/common/ActivityEvent.java
index 06a498a..1a57ddf 100644
--- a/app/src/main/java/com/example/sprout/refactor/common/ActivityEvent.java
+++ b/app/src/main/java/com/example/sprout/refactor/common/ActivityEvent.java
@@ -1,9 +1,10 @@
 package com.example.sprout.refactor.common;
 
 /**
- * Created by matsumoto_k on 2017/11/29.
+ * 各Activityの起動イベント
+ *
+ * @author matsumoto_k
  */
-
 public enum ActivityEvent {
     START_ROOM_LIST // ルームリストを開く
 }
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java
index b853a23..b81eeed 100644
--- a/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java
@@ -2,6 +2,7 @@
 
 import android.databinding.ObservableField;
 
+import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
 import com.example.sprout.refactor.repository.RegistrationRepository;
 import com.example.sprout.refactor.repository.Repository;
@@ -27,6 +28,10 @@
     @Override
     public void onCreate() {
         super.onCreate();
+        if (PreferenceUtil.getInstance().getBoolean(PreferenceUtil.Key.REGISTERED)) {
+            viewContract.startActivity(ActivityEvent.START_ROOM_LIST);
+            viewContract.finishActivity();
+        }
     }
 
     public void onClickRegistration(String userName) {
@@ -38,7 +43,10 @@
             @Override
             public void onSuccess(Account account) {
                 PreferenceUtil.getInstance().saveInt(PreferenceUtil.Key.USER_ID, account.getUserID());
+                PreferenceUtil.getInstance().saveBoolean(PreferenceUtil.Key.REGISTERED, true);
                 viewContract.showShortToast("アカウントを作成しました");
+                viewContract.startActivity(ActivityEvent.START_ROOM_LIST);
+                viewContract.finishActivity();
             }
 
             @Override
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java
new file mode 100644
index 0000000..dae806d
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java
@@ -0,0 +1,8 @@
+package com.example.sprout.refactor.viewmodel;
+
+/**
+ * Created by matsumoto_k on 2017/11/29.
+ */
+
+public class RoomListViewModel extends BaseViewModel {
+}
diff --git a/app/src/main/res/layout/rf_activity_room_list.xml b/app/src/main/res/layout/rf_activity_room_list.xml
new file mode 100644
index 0000000..5a2204c
--- /dev/null
+++ b/app/src/main/res/layout/rf_activity_room_list.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <data>
+
+        <variable
+            name="viewModel"
+            type="com.example.sprout.refactor.viewmodel.RoomListViewModel" />
+    </data>
+
+    <android.support.constraint.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+    </android.support.constraint.ConstraintLayout>
+</layout>
\ No newline at end of file
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 5885930..0eb88fe 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,7 +1,7 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>