Yet another 'Molester Train' film.

Kunio had his first sexual encounter with Yoko in a hotel. Since then, he couldn't forget her and called the magazine company where she worked many times, but he couldn't get in touch with her. She was holed up in a hotel because Tamai, a writer, was behind on his manuscript. They finally arranged to meet and waited at a cafe bar in Kabukicho, Shinjuku, but Kabukicho held many bitter memories for him. A few years ago, he was unable to do anything while Yumiko, whom he had liked at the time, was being violated in front of him...

Inventor Shinpei suddenly got a prescription for a rejuvenating elixir. However, the virgin joy juice necessary for the manufacturing method could not be obtained and it got stuck. Shinpei, who snooped on the affair of Keisuke Hanaya and Haruko, a female college student, became a transparent human when Haruko prepared it using paper wiped with love juice and drank the secret medicine that was made.

Takashi Sonoyama's wife Akiko is far from being a housewife, so he started cheating on her with Etsuko, whom he met on a train. He then tried to break up with Akiko and marry Etsuko, but... On the other hand, Wataru Todoroki's wife Kumiko, who works both jobs, comes home late every night, so he asks Iwabuchi, a private investigator, to investigate her background, but he says there's no sign of cheating. However, surprisingly...