While vacationing, Koenma is kidnapped by a pair of demons known as Koashura and Garuga, who demand the possession of Lord Enma's coveted "Golden Seal." Botan finds Yusuke Urameshi and Kazuma Kuwabara on their summer vacation as well, and asks for their assistance in Koenma's rescue.
| Actor | Role |
|---|---|
 Nozomu SasakiYuusuke Urameshi (voice) | Yuusuke Urameshi (voice) |
 Shigeru ChibaKazuma Kuwabara (voice) | Kazuma Kuwabara (voice) |
 Megumi OgataKurama (voice) | Kurama (voice) |
 Nobuyuki HiyamaHiei (voice) | Hiei (voice) |
 Mayumi TanakaKoenma (voice) | Koenma (voice) |
 Masami SuzukiTree Demon (voice) | Tree Demon (voice) |
 Mitsuaki MadonoMonster (voice) | Monster (voice) |
 Rica MatsumotoKoashura (voice) | Koashura (voice) |
 Takeshi AonoGaruga/Yasha (voice) | Garuga/Yasha (voice) |
 Yuri ShiratoriKotennyo (voice) | Kotennyo (voice) |
 Tomomichi NishimuraDevil / Jorge Saotome (voice) | Devil / Jorge Saotome (voice) |
 Sanae MiyukiBotan (voice) | Botan (voice) |
| TTarô ArakawaShobu (voice) | Shobu (voice) |