KSBJ-142 My son's wife was a born slut... Kiriyama Yuha.

Film Introduction

While my son was away, his wife, Yuha, brought a man into the house and engaged in adultery. My son doesn't know this, but she is inherently a promiscuous woman. There was one time when I gave in to her advances and had a relationship with her. However, using my reason, I have refused her invitations ever since, but undeterred, Yuha continues to use every trick in the book on me…