When Izumi was about to be abandoned by her boyfriend, she met Ayaoto, a popular female slave, and began her journey as a female masochist. Though she had refused couple cafes that exposed her to public view, Ayaoto guided her toward a new life. Ayaoto bound her and tormented her with a vibrator. Then, the two together endured the rites of whip and candle play, experiencing deep pleasure. Through this process, Izumi discovered a new self under Ayaoto's domination.