Hydra
Appears In
UFO Princess Valkyrie
Supporting
UFO Princess Valkyrie 2: Juunigatsu no Yasoukyoku
Supporting
UFO Princess Valkyrie 3: Seiresetsu no Hanayome
Supporting
UFO Princess Valkyrie 4: Toki to Yume to Ginga no Utage
Supporting
UFO Princess Valkyrie: Shichiten Battou Hanayome Shuugyou
Supporting
UFO Princess Valkyrie: Recap
Supporting