2 Season
25 Episode
Gravion - Season 0 Episode 1 Extra 1 (2004)
- Country : Japan
- Genre : Animation, Comedy, Action & Adventure
- Studio : Fuji TV, tvk
- Director :
- Cast : Kenichi Suzumura, Hikaru Midorikawa, Haruna Ikezawa, Houko Kuwashima, Show Hayami, Jun Fukuyama