Miho and her husband have a good relationship, but they haven't had sex in two years. He's kind and there's nothing to complain about, yet she keeps reminding herself that things weren't always like this when they first married. Adding to Miho's inner turmoil is her friend Yumi, a close drinking buddy who lives by her desires and has a habit of cheating. Yumi decides to introduce Miho to Johnny Okan, a well-known AV actor and her own lover. This decision sets off a chain of events that will drastically alter Miho's everyday life, leading to an intense and irresistible story of temptation and forbidden pleasure.