Miharu, a young wife who started living with her single father-in-law. By chance, my father-in-law who witnessed Miharu's masturbation feels a'woman'in Miharu who did not care that she was the daughter-in-law of her son and commits it. Unable to confess to her husband, she couldn't refuse her father-in-law who relentlessly asked for her body, and under one roof, Miharu eventually fell to the edge of pleasure ...