Shinya has become unsatisfied just by looking at her mother-in-law, Sasa, who has witnessed the lustrous appearance of Sasa indulging in masturbation in the bathtub. "If I'm lonely and want a man, I'm ... but I'm a parent and child, albeit in-law ..." Shinya had no choice but to agonize. On the other hand, Sasa never dreamed that her child had such a conflict, and asked for help in cleaning the bath. The bathroom I was always looking into. The body that I fell in love with is right in front of me. Shinya couldn't be a child to restrain herself ...