Raised by her own hand, she's proud of her son. However, he lacks feminine intuition and sometimes touches her body while she's sleeping. She tries not to mind, but one day, they take a vacation together at a hot spring resort. During their trip, her son suddenly confesses his love for her as a woman. Though they initially refuse, they give in to his passion and allow him to have his way, just for today. As she rediscovers the pleasure of being a woman, Kaori transforms from a mother into a lover. Their repeated encounters open the forbidden door to incestuous love.
