The ↗Seikai franchise:
- (1999) Seikai no Monshou (1st season, 13 TV ep.)
- (2000) Seikai no Monshou Movie (summary of 1st season)
- (2000) Seikai no Danshou (side story/prequel, 1 OVA ep.)
- (2000) Seikai no Senki (2nd season, 13 TV ep.)
- (2001) _ Seikai no Senki Movie (summary of 2nd season)
- (2001) Seikai no Senki II (3rd season, 10 TV ep.)
- (2005) Seikai no Senki III (sequel, 2 long OVA ep)