Kaho, my adult son's wife, lives with us and has a lovely smile, a slender body, and irresistible sex appeal. Before I know it, I have fallen for my daughter-in-law. Though I understand it is wrong, I cannot stop thinking about her, fantasizing about her naked, or even spying on her having sex with my son. One day, while I am peeking into her room as usual, Kaho begins to masturbate—then suddenly speaks directly to me in my hiding place...