Ayi, who is dissatisfied with her husband's overly gentle sex, has her heart flutter at the manliness and intense gaze of Kiyama, introduced by her best friend Miyuki. 'You're a masochist,' Ayi's sexual quirk seen through. Later, preparing to be trained, she visits Kiyama's house. Ordered to masturbate in front of a mirror, fellatio service for delivery men, naked and abandoned in the parking lot. Filmed during sex by Kiyama's junior. Ayi finds herself drowning in the pleasure of masochism.
