When the bizarre mass suicide of 54 high school girls throwing themselves in front of a subway train appears to instigate a string of suicides around the country, Detective Kuroda strives to find the answer, which isn't as simple as he had hoped.

Kazuhiko Nakamura directs this sexually charged wacky comedy set in the world of the Japanese adult video industry. The story follows a young woman's (Amiko Kanetani) foolish attempts to win back a lost love (Shunsuke Matsuoka) by taking the one recourse she believes might actually do the trick: becoming a porn star.

Miyoko is temporarily assigned to a certain high school in place of a teacher who is absent due to childbirth. On her first day of school, she finds her student Mitsuru smoking a cigarette behind the school building. However, Miyoko doesn't blame her, she just says that she was similar to her high school days, and she leaves. One day, Mitsuru sees her homeroom teacher, Tsurumi, and her student, Natsumi, hugging each other in the gymnasium. Mitsuru was shocked and was smoking a cigarette on the rooftop. Miyoko then went to the nurse's office...

There is Miyoshi, who is extremely attached to Billy dolls (gay toys) in Shinjuku 2-chome. Every night, he invites men with Billy doll in hand. Fellow Billy doll lovers and sadists with a fish fetish caress Miyoshi. And before Miyoshi realizes he wants to become a Billy doll...