diff --git a/app/src/main/java/com/example/tampopo_client/Tampopo.java b/app/src/main/java/com/example/tampopo_client/Tampopo.java
index 5cf6ea8..1a1516a 100644
--- a/app/src/main/java/com/example/tampopo_client/Tampopo.java
+++ b/app/src/main/java/com/example/tampopo_client/Tampopo.java
@@ -13,6 +13,7 @@
   private String password;
   private String chatroomId;
   private String chatFriendId;
+  private String chatFriendNickname;
   private String mailaddress;
   private String nickname;
   private String icon;
@@ -75,6 +76,15 @@
     saveUserData();
   }
 
+  public String getChatFriendNickname() {
+    return chatFriendNickname;
+  }
+
+  public void setChatFriendNickname(String ChatFriendNickname) {
+    this.chatFriendNickname = ChatFriendNickname;
+    saveUserData();
+  }
+
 
   public String getNickname() { return nickname; }
 
@@ -99,6 +109,7 @@
     editor.putString("password", password);
     editor.putString("chatroomId", chatroomId);
     editor.putString("chatFriendId", chatFriendId);
+    editor.putString("chatFriendNickname", chatFriendNickname);
     editor.putString("mailaddress", mailaddress);
     editor.putString("nickname", nickname);
     editor.putString("icon", icon);
@@ -113,6 +124,7 @@
     password = prefs.getString("password", "");
     chatroomId = prefs.getString("chatroomId", "");
     chatFriendId = prefs.getString("chatFriendId", "");
+    chatFriendNickname = prefs.getString("chatFriendNickname", "");
     mailaddress = prefs.getString("mailaddress", "");
     nickname = prefs.getString("nickname", "");
     icon = prefs.getString("icon", "");