In this prequel we witness the teenage roots of Ichi's manic-depressive beginnings and the origins of his monster-sized kicks and his anger, his psychological, as well as physical, beatings.
Is 1-Ichi on Netflix? Unfortunately the movie 1-Ichi is not yet available on Netflix.
| Directing | Masato Tanno | Director |
| Writing | Sakichi Sato | Writer |
| Sound | Tadanobu Asano | Original Music Composer |
| Writing | Hideo Yamamoto | Comic Book |
| Production | Takeshi Katayama | Producer |
| Production | Shigeji Maeda | Producer |
| Production | Yukio Nihei | Executive Producer |
| Editing | Kayo Tomita | Editor |
| Camera | Naosuke Imaizumi | Director of Photography |
