Unable to get a hotel room during a business trip, he decided to stay at his son's house... His son's wife, Misuzu, has a lovely smile and an attractive, slender body that is very erotic. Even though he knows it's wrong, he can't help but fantasize about his son's wife's lewd appearance. His wife masturbates in a showy manner, and she gives him a gentle blowjob in the bath, and the father-in-law's fantasies grow and grow...