Five years have passed since I married Hijiri, a colleague of me. I have a good relationship with my wife, and I will help my boss, Mr. Ozawa, who is grateful to me today. A few days after moving, Mr. Ozawa told me that my grandfather had an affair with a married woman. I laughed because of my daily jokes, but was told that I would show evidence. When you go to the Japanese -style room, it becomes a magic mirror, and Hijiri, who should have gone out, go to the room on the other side ...