A man who is so shy that he doesn't want to take off his mask in public imprisons JK's Ruru-chan. The man locks himself in his home with a magic mirror and watches his appearance earnestly. Here, you will be safe and secure, and you will not be seen by her. Ruru-chan knew that nothing would be done, but she was only allowed to communicate one-sidedly, and she gradually became terrified. - She is so afraid that she can only listen to the man, and she is gradually trained by the man.