Gacchan is marking his birthday and his partner Takayuki is waiting for him at home so they can celebrate. However, not only does Gacchan forget about his partner but he is also flirting with others in the hood. Takayuki leaves their apartment and embarks on a night journey that will lead him to cheat on his partner. Will they be able to rehabilitate their relationship?
Unfortunately the movie Naughty Boys is not yet available on HBO Max.
| Sound | Hiroki Iwasa | Music |
| Sound | Hiroki Iwasa | Sound Designer |
| Art | Takasaki Keiichi | Title Illustration |
| Crew | Sarah Teasley | Translator |
| Crew | Akiyoshi Kawaguchi | Thanks |
| Crew | Miwa Tosaki | Thanks |
| Crew | Hotaru Hazuki | Thanks |
| Crew | Kanae Nishizawa | Thanks |
| Crew | Fuyuhiko Sugiura | Thanks |
| Crew | Hiromi | Thanks |
| Crew | Kohei Kimura | Thanks |
| Crew | Yasuhiro Wakabayashi | Thanks |
| Writing | Kôichi Imaizumi | Screenplay |
| Crew | Kôichi Imaizumi | Cinematography |
| Crew | iri | Cinematography |
| Directing | Kôichi Imaizumi | Director |
| Editing | Hiroki Iwasa | Editor |
| Editing | Kôichi Imaizumi | Editor |
