Fuma ninja clan is a secret ninja tribe that is waiting for the "Orochi" (gigantic snake) to resurrect for generations. Shirasu and his twin brother Ichiu grew up in this viscous environment and this tells how they become the leaders of the clan.
| Actor | Role |
|---|---|
 Takahiro SakuraiShirasu Kinjo (voice) | Shirasu Kinjo (voice) |
 Koji YusaKotaro Fuma (voice) | Kotaro Fuma (voice) |
 Kenjiro TsudaEishirou (voice) | Eishirou (voice) |
 Kikuko InoueRikka (voice) | Rikka (voice) |
 Yuichi NakamuraTenka Kumo (voice) | Tenka Kumo (voice) |
 Kohsuke ToriumiSosei Abeno (voice) | Sosei Abeno (voice) |
 Yuki KajiSoramaru Kumo (voice) | Soramaru Kumo (voice) |
 Tsubasa YonagaChutaro Kumo (voice) | Chutaro Kumo (voice) |
 Mamiko NotoNishiki (voice) | Nishiki (voice) |
 Sayaka OharaKiiko Sasaki (voice) | Kiiko Sasaki (voice) |
 Hiro ShimonoRakucho Takeda (voice) | Rakucho Takeda (voice) |
 Hiroki YasumotoSeiichiro Takamine (voice) | Seiichiro Takamine (voice) |