diff --git a/app/src/main/java/com/example/tampopo_client/models/FriendRequest.java b/app/src/main/java/com/example/tampopo_client/models/FriendRequest.java
new file mode 100644
index 0000000..a417827
--- /dev/null
+++ b/app/src/main/java/com/example/tampopo_client/models/FriendRequest.java
@@ -0,0 +1,4 @@
+package com.example.tampopo_client.models;
+
+public class FriendRequest {
+}
diff --git a/app/src/main/java/com/example/tampopo_client/resources/FriendRequestResource.java b/app/src/main/java/com/example/tampopo_client/resources/FriendRequestResource.java
new file mode 100644
index 0000000..9d3eb0b
--- /dev/null
+++ b/app/src/main/java/com/example/tampopo_client/resources/FriendRequestResource.java
@@ -0,0 +1,38 @@
+package com.example.tampopo_client.resources;
+
+
+import com.example.tampopo_client.models.FriendRequest;
+
+import java.util.List;
+
+import retrofit2.Call;
+import retrofit2.http.DELETE;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+import retrofit2.http.Query;
+
+public interface FriendRequestResource {
+
+    //このAPIではリクエストのボディをx-www-form-urlencoded という形式で送ります
+    @FormUrlEncoded
+    @POST("friend-requests")
+    Call<FriendRequest> postFriendRequest(
+            @Field("sender-id") String senderId,
+            @Field("receiver-id") String receiverId,
+            @Field("token") String token
+    );
+
+    @GET("friend-requests")
+    Call<List<FriendRequest>> getFriendRequests(
+            @Query("token") String token
+    );
+
+    @DELETE("friend-requests/{friend-request-id}")
+    Call<Void> deleteFriendRequest(
+            @Path("friend-request-id") String friendRequestId,
+            @Query("token") String token
+    );
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/tampopo_client/resources/FriendsResource.java b/app/src/main/java/com/example/tampopo_client/resources/FriendsResource.java
index c390536..d323d6c 100644
--- a/app/src/main/java/com/example/tampopo_client/resources/FriendsResource.java
+++ b/app/src/main/java/com/example/tampopo_client/resources/FriendsResource.java
@@ -14,7 +14,7 @@
 public interface FriendsResource {
     @FormUrlEncoded
     @POST("friends")
-    Call<FriendPair> postFriends(
+    Call<FriendPair> createFriend(
             @Field("token") String token,
             @Field("user0-id") String user0Id,
             @Field("user1-id") String user1Id
@@ -27,7 +27,7 @@
     );
 
     @DELETE("friends/{pair_id}/")
-    void deleteFriend(
+    Call<Void> deleteFriend(
             @Query("token") String token,
             @Path("pair_id") String pair_id
     );
diff --git a/app/src/main/res/layout/activity_register.xml b/app/src/main/res/layout/activity_register.xml
index f2e9ef4..c52cc23 100644
--- a/app/src/main/res/layout/activity_register.xml
+++ b/app/src/main/res/layout/activity_register.xml
@@ -8,7 +8,7 @@
     tools:context=".views.RegisterActivity">
 
     <TextView
-        android:id="@+id/新規登録text"
+        android:id="@+id/registerText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="新規登録"
@@ -47,7 +47,7 @@
         app:layout_constraintVertical_bias="0.676" />
 
     <TextView
-        android:id="@+id/すでにアカウントをお持ちの方は"
+        android:id="@+id/alreadyHaveAccount"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="すでにアカウントをお持ちの方は"