An arranged marriage decided by her parents. A life that seemed like a good couple. However, Miho hid a strong masochistic fetish. She indulges in masturbation while remembering her sadistic ex-lover who once trained her as a slave. One day, unable to restrain herself any longer, Miho goes to meet her ex-lover. Tormented by the guilt of betraying her kind husband, she cannot resist the burning lust.