diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e590043..0407368 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -103,22 +103,22 @@
             android:exported="true"
             android:label="@string/title_activity_requesting"
             android:windowSoftInputMode="adjustPan">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
+<!--            <intent-filter>-->
+<!--                <action android:name="android.intent.action.MAIN" />-->
+<!--                <category android:name="android.intent.category.LAUNCHER" />-->
+<!--            </intent-filter>-->
         </activity>
         <activity
             android:name=".MyPageActivity"
             android:exported="true"
             android:label="@string/title_activity_my_page">
 
-<!--             <intent-filter>-->
-<!--             <action android:name="android.intent.action.MAIN" />-->
+             <intent-filter>
+             <action android:name="android.intent.action.MAIN" />
 
 
-<!--             <category android:name="android.intent.category.LAUNCHER" />-->
-<!--             </intent-filter>-->
+             <category android:name="android.intent.category.LAUNCHER" />
+             </intent-filter>
         </activity>
 
 
diff --git a/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java b/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
index 6301b5d..4ff7896 100644
--- a/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
+++ b/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
@@ -10,6 +10,7 @@
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -31,7 +32,7 @@
         myName.setText(name);
 
         //MyPageに戻るボタン
-        Button backButton = (Button) findViewById(R.id.backMyPage);
+        ImageButton backButton = (ImageButton) findViewById(R.id.backMyPage);
         backButton.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
                 Intent intent = new Intent(MyPageEditorActivity.this, MyPageActivity.class);
diff --git a/app/src/main/res/layout/activity_my_page_editor.xml b/app/src/main/res/layout/activity_my_page_editor.xml
index f499bfb..3b45611 100644
--- a/app/src/main/res/layout/activity_my_page_editor.xml
+++ b/app/src/main/res/layout/activity_my_page_editor.xml
@@ -112,9 +112,9 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/editName"
-        app:layout_constraintVertical_bias="0.149" />
+        app:layout_constraintVertical_bias="0.149"/>
 
-    <Button
+    <ImageButton
         android:id="@+id/backMyPage"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -124,6 +124,11 @@
         app:layout_constraintHorizontal_bias="0.95"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.023" />
+        app:layout_constraintVertical_bias="0.023"
+        android:background="@drawable/circle_button"
+        android:src="@drawable/ic_mypage"
+        android:scaleType="fitCenter"
+        android:padding="7dp"
+       />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file