Miho had been living a sexless life for five years since her husband told her he had erectile dysfunction. One day, when she was wasting her sexual desire, she witnessed her stepson masturbating in his room. She didn't just witness it, but told him she was doing it to cheer up her stepson, who was worried about being a virgin, and gently took his virginity. Since then, Miho's sexual desire has been unleashed and she has begun to desire the young and strong cock of a younger man, transforming her from a faithful wife to a wife with an insatiable libido...