Shinjuku Ward, east side… The center of the street with the most chaos, there's Kabuki-chō, full of neon lights. When the light is stronger, the shadow is deeper. The story begins when certain bizarre murder happens one night! Suspense? Or Comedy? Drama that cannot be identified begins!
You can now watch Case File N° 221: Kabukicho online on the following streaming providers in the United States.
| Visual Effects | Toshiyuki Yahagi | Character Designer |
| Writing | Taku Kishimoto | Series Composition |
| Sound | EGO-WRAPPIN | Theme Song Performance |
| Sound | Lozareena | Theme Song Performance |
| Production | Sachi Kawamoto | Producer |
| Art | Kazushige Kanehira | Art Designer |
| Crew | Masahiro Murakami | Special Effects |
| Production | Hiroo Maruyama | Executive Producer |
| Crew | Sumie Murakami | Special Effects |
| Production | Daijo Kudo | Executive Producer |
| Production | Kozue Kananiwa | Executive Producer |
| Directing | Ai Yoshimura | Series Director |
| Production | Toshihiro Maeda | Producer |
| Production | Norie Shimizu | Producer |
| Production | Katsuji Morishita | Executive Producer |
| Production | Naokazu Tsuruta | Executive Producer |
| Sound | Takurou Iga | Original Music Composer |
| Sound | Yukio Nagasaki | Sound Director |
| Sound | Hiromune Kurahashi | Sound Effects |
