This first OVA focuses on Hunter and Valkyrie, who were guest characters in the television anime, as well as two new characters: Cleric (voiced by Aimi Tanaka) and Kunoichi (Yumi Hara). Hunter and Valkyrie meet Cleric and think she will join them as their healer, but something is strange about her. Then they are attacked by Kunoichi, who seeks legendary bikini armor.