Shiina Saito, 36 years old, is a full-time housewife. A happy three-person life with the husband of an office worker who is in his eighth year of marriage this year and his eight-year-old daughter. Mr. Shiori who got married after two years of dating with her husband. After the first childbirth, he was struggling with childcare and housework. However, it seems that a certain "bad habit of the old days" was revived with mukumuku when the child grew up and settled down. "Maybe my husband isn't aware of it ... I've always had a habit of having an affair. When I think I can only have sex with one man, I get more frustrated." Mr. Shiori talks as if she is worried, but her early story is her wife who loves affairs. Take a look at the true nature of a lewd woman who straddles another stick for the first time in a long time and keeps screaming.