The ↗UFO Ultramaiden Valkyrie franchise:
- (2002) Enban Koujo Valkyrie (1st season, 12 TV episodes)
- (2002) _ Enban Koujo Valkyrie SPECIAL (side story, 2 OVA episodes)
- (2003) Enban Koujo Valkyrie Juunigatsu no Yasoukyoku (2nd season, 12 TV episodes)
- (2005) Enban Koujo Valkyrie Seireisetsu no Hanayome (3rd season, 6 OVA episodes)
- (2006) Enban Koujo Valkyrie Toki to Yume to Ginga no Utage (4th season, 2 OVA episodes)
