A father-in-law falls in love with his son's wife, Nozomi, whom he absolutely shouldn't be interested in. The father-in-law observes Nozomi's private life and fantasizes. He even peeked at her having sex with his son and masturbating. One day, the father-in-law who was peeking at her masturbating was called out by Nozomi... "Dad, I knew you were watching." However, instead of getting angry, Nozomi invites her father...