diff --git a/app/src/main/java/com/example/citrusclient/views/MyAdapter.java b/app/src/main/java/com/example/citrusclient/views/MyAdapter.java
index 965f91c..425c268 100644
--- a/app/src/main/java/com/example/citrusclient/views/MyAdapter.java
+++ b/app/src/main/java/com/example/citrusclient/views/MyAdapter.java
@@ -109,6 +109,7 @@
                     favoritesMap.put(currentBook.getAccountId(), new HashSet<>());
                 }
                 favoritesMap.get(currentBook.getAccountId()).add(currentBook.getBookId());
+                currentBook.setFavoritedCount(currentBook.getFavoritedCount()+1);
             }else if(holder.LikeTextView.getTag().equals("liked")){
                 System.out.println(citrus.getAccountId()+"が"+currentBook.getAccountId()+"の"+currentBook.getBookId()+"を解除しました");
                 booksViewModel.unregisterFavoriteCount(currentBook.getAccountId(), currentBook.getBookId());
@@ -117,7 +118,9 @@
                 holder.LikeTextView.setImageResource(R.drawable.baseline_favorite_border_24);
                 holder.LikeTextView.setTag("unliked");
                 favoritesMap.get(currentBook.getAccountId()).remove(currentBook.getBookId());
+                currentBook.setFavoritedCount(currentBook.getFavoritedCount()-1);
             }
+            holder.LikedCountTextView.setText(context.getString(R.string.liked_count_format, currentBook.getFavoritedCount()));
         });
     }