diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Animation.java b/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
index 46e5b11..ce9c108 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
@@ -1,5 +1,8 @@
 package org.ntlab.acanthus_server.entities;
 
+import org.ntlab.acanthus_server.models.Accounts;
+import org.ntlab.acanthus_server.models.Gallery;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Date;
@@ -30,6 +33,9 @@
         this.pageMap.put(0, 0);
     }
 
+    private Gallery gallery = Gallery.getInstance();
+    private Accounts accounts = Accounts.getInstance();
+
     public void setName(String name){
         this.name = name;
     }
@@ -46,12 +52,37 @@
         this.ispublic = ispublic;
     }
 
+    public Integer getAid() { return aid; }
+
     public Collection<Account> getAnimationInvites() {
         return invites;
     }
 
-    public Integer getAid() {
-        return aid;
+
+    //-----------------------------------------------------------------
+    // 本当に招待されているかを確認する
+    public Collection<Account> searchAnimationInvites(Integer aid, String invitedUid, String invitedUserToken) {
+        Animation anime_info = gallery.getAnimationInformation(aid);
+        Account invitedAccount = accounts.getAccountByUid(Integer.parseInt(invitedUid));
+        ArrayList<Account> invitedlist = null;
+
+        for(Account account : anime_info.invites) {
+            if(account == invitedAccount) {
+                invitedlist.add(account);
+                return invitedlist;
+            }
+        }
+        return null;
     }
+
+    //-----------------------------------------------------------------
+    //作品に招待する
+    public void addAccoutToAnimationInvites(Integer aid, String ownerUid, String invitedUid) {
+        Animation animation = gallery.getAnimationByAid(aid);
+        Account invitedAccount = accounts.getAccountByUid(Integer.parseInt(invitedUid));
+        invites.add(invitedAccount);
+    }
+
+    //-----------------------------------------------------------------
 }