Lustful wife has an affair with her husband's boss behind the glass door

Five years have passed since I married my colleague Hijiri. I have a good relationship with my wife, and I will help my boss, Mr. Ozawa, who owes me today. A few days after moving out, Mr. Ozawa admitted that he was having an affair with a married woman. I laughed at my usual joke, but they said they would show me the proof. When you go to the room designed in Japanese style, it becomes a magic mirror, and Hijiri, who should have gone out, enters the room on the other side …