Kiko's son, Takahito, is a sex-obsessed monster who can't think of anything but ejaculating whenever he has free time. Kiko was troubled by her son, who, when his rationality disappears, even sees his mother as a sexual object. As she's walking around with a headache, she runs into Moca, her son's childhood friend. After confiding in Moca, the local slut known for her promiscuity, Moca, worried about Takahito, decides to take on the task of handling his sexual needs.