A father-in-law who is absolutely not supposed to be interested in his son's wife, Nanako, falls in love with her. Ms. Nanako has a wonderful smile and a slender, attractive body. Even though he knows it's wrong, he can't help but fantasize about his son's wife in lewd ways. A wife who masturbates provocatively, a wife who gently gives him oral sex in the bath, and the father-in-law's fantasies keep growing...
