| Name | Character | Episodes |
|---|---|---|
| Aoi Yuuki | Budoko (voice) | 12 |
| Nobuhiko Okamoto | Goro Amaji (voice) | 12 |
| Ryotaro Okiayu | Hidehiko Otoya (voice) | 12 |
| Megumi Toyoguchi | Airin Kizaki (voice) | 12 |
| Ryo Hirohashi | Misaki Miyashita (voice) | 12 |
| Jun Fukuyama | Kakeru Daichi (voice) | 12 |