After a chance encounter on a bus, a young man is invited to the home of the flirtatious Jun Nakatani. While ostensibly caring for her partner's sick son, Jun leads the guest into a web of desire, seducing both him and the young man in a night of unrestrained passion that blurs the line between reality and fantasy.
After Akemi receives a mysterious "girl mark" during a game of fortune-telling with friends, she is visited at home by Professor Watanabe. Under the guise of a professional home visit, the professor reveals a predatory nature and a deceptive identity, seducing both Akemi and her mother before returning to the school as if nothing had occurred.
Akemi's wedding day is derailed when her former lover, Professor Yuki, reappears to tempt her into one last illicit encounter just moments before she walks down the aisle to marry Kunihiko. The episode then takes a surreal turn, shifting to a futuristic version of Edo where a giant creature attacks the city and abducts a woman named Kaede, leading to a chaotic and erotic rescue attempt.