Kei Maneki works as a model. He has bad luck with murder cases taking place when he works. Kei Maneki becomes an important witness in these murder cases. To clear his name, Kei Maneki and his model friends Itsuki Suo and Toma Shimon attempt to solve the murder cases.
Unfortunately the series Important Witness Private Detective is not yet available on Disney Plus. Follow us on Facebook to see when Important Witness Private Detective becomes available on Disney Plus!
| Sound | Hiromitsu Kitayama | Theme Song Performance |
| Writing | Tsutomu Kuroiwa | Screenplay |
| Production | Yokochi Ikuei | Producer |
| Production | Kanda Amy Akiko | Producer |
| Production | Asai Chizu | Producer |
| Production | Hongo Tatsuya | Producer |
| Directing | Renpei Tsukamoto | Director |
| Directing | Tadaaki Horai | Director |
| Directing | Takashi Komatsu | Director |
| Sound | Yu Takami | Music |
