Mikio and his older brother Saneo, who is mentally handicapped, live together and have just buried their father. One day, Mikio hires a hooker named Marin for his brother. Marin is an underground singer who goes by the name Fala. A video producer who is filming Fala's documentary finds out about her double life, and proposes to film her and Saneo's sex life. Dreaming about leaving Tokyo with Saneo with a huge sum of money from the film, Mikio and Marin agree to the offer.
Unfortunately the movie Lost Paradise in Tokyo is not yet available on HBO Max.
| Directing | Kazuya Shiraishi | Director |
| Sound | Goro Yasukawa | Original Music Composer |
| Camera | Tomohiko Tsuji | Director of Photography |
| Art | Tsutomu Imamura | Production Design |
| Writing | Kazuya Shiraishi | Screenplay |
| Writing | Izumi Takahashi | Screenplay |