Ritsuko is a virtuous wife who lives with her son and husband.
One day, her son's best friend, Ryo, comes to her with a serious look on his face and hands her a DVD.
The DVD shows her son, Takeshi, and Ryo's mother having an illicit affair. Ryo looks overwhelmed.
"You treat my mother like a bitch! I'm going to fuck you and make it e...