A father-in-law who must never be interested in his son's wife, Ayaka. He falls in love with her and observes her private life, indulging in fantasies. He even peeps at her sex with his son or masturbation. One day, while spying on Ayaka masturbating, he is called out by her... 'Dad, I knew you were watching.' However, instead of getting angry, Ayaka seduces him...
