diff --git a/src/main/java/org/ntlab/acanthus_server/entities/AidJson.java b/src/main/java/org/ntlab/acanthus_server/entities/AidJson.java
new file mode 100644
index 0000000..f333f0d
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/entities/AidJson.java
@@ -0,0 +1,22 @@
+package org.ntlab.acanthus_server.entities;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class AidJson {
+    @JsonProperty("message")
+    private String message = "success";
+    @JsonProperty("aid")
+    private Integer aid;
+
+    public AidJson(Integer aid){
+        this.aid = aid;
+    }
+
+    public Integer getAid() {
+        return aid;
+    }
+
+    public void setAid(Integer aid){
+        this.aid = aid;
+    }
+}
diff --git a/src/main/java/org/ntlab/acanthus_server/entities/WorkJson.java b/src/main/java/org/ntlab/acanthus_server/entities/WorkJson.java
index db60023..2bf3752 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/WorkJson.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/WorkJson.java
@@ -1,9 +1,12 @@
 package org.ntlab.acanthus_server.entities;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 import java.util.ArrayList;
 import java.util.Collection;
 
 public class WorkJson {
+    @JsonProperty("aid")
     private ArrayList<String> aid = new ArrayList<>();
 
     //ユーザーの制作作品idをレスポンスとして返す際に、JSONのレスポンスに合わせる
@@ -14,7 +17,6 @@
             aid.add(strAid);
         }
 
-        getAid();
     }
 
     public Collection<String> getAid() {
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/accounts/WorkRest.java b/src/main/java/org/ntlab/acanthus_server/resources/accounts/WorkRest.java
index 8d0cc89..fde3b20 100644
--- a/src/main/java/org/ntlab/acanthus_server/resources/accounts/WorkRest.java
+++ b/src/main/java/org/ntlab/acanthus_server/resources/accounts/WorkRest.java
@@ -1,5 +1,6 @@
 package org.ntlab.acanthus_server.resources.accounts;
 
+import org.ntlab.acanthus_server.entities.AidJson;
 import org.ntlab.acanthus_server.entities.Work;
 import org.ntlab.acanthus_server.entities.WorkJson;
 import org.ntlab.acanthus_server.models.Accounts;
@@ -41,7 +42,7 @@
     @Path("/{uid}/work")
     @POST
     @Produces(MediaType.APPLICATION_JSON)
-    public Integer createWork(@PathParam("uid") Integer uid, @FormParam("name") String animationName, @FormParam("token") String token){
+    public AidJson createWork(@PathParam("uid") Integer uid, @FormParam("name") String animationName, @FormParam("token") String token){
         var account = accounts.getAccountByUid(uid);
 
         if(account != null && account.getToken().equals(token)){
@@ -49,10 +50,12 @@
             int newAid = gallery.createAnimation(animationName, account); //新しい作品の作成
             var animation = gallery.getAnimationInformation(newAid); //作成した作品情報取得
             var newWork = new Work(); //ユーザーの制作作品の作成
+
             newWork.setWork();
             newWork.setAnimation(animation);
             account.addWork(newWork);
-            return newAid;
+
+            return new AidJson(newAid);
         }else{
             //ユーザーID、トークンが間違っている時のレスポンス
             throw new WebApplicationException(401);