1-Ichi
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.
| Actor | Role |
|---|---|
 Nao OmoriIchi / Shiroishi | Ichi / Shiroishi |
| TTeahDai | Dai |
 Junior ChiharaOnizame | Onizame |
| CChisato AmateSatomi | Satomi |
| YYuki OikawaNao | Nao |
 Eiki KitamuraHiromi | Hiromi |
| KKazuhiro MashikoHide | Hide |