| Set on a peaceful island during a violent terrorist attack, a young boy is suddenly transformed into a metal-cased mercenary. But with this great power comes even greater danger. Aiyuki must discover how to master this remarkable new power-or risk having this mysterious fusion of rock, metal and magic destroy him! |
| Name | Character | Episodes |
|---|---|---|
| Akio Otsuka | Zuizo (voice) | 26 |
| Katsuyuki Konishi | Akushiba (voice) | 26 |
| Unsho Ishizuka | Ryuzo Takehara (voice) | 26 |
| Fumiko Orikasa | Haru Nishimura (voice) | 26 |
| Tomoko Kawakami | Shidara (voice) | 26 |
| Yumi Tamai | Ishû Benikawa (voice) | 26 |