Rie Kugimiya
The opening theme for the first season is "Get the Door" by Rie Ohashi, while the ending theme is by Ayako Kawasumi, Mamiko Noto, and Aya Hirano, the voices for Leina, Tomoe, and Nanael, respectively. For the second season, the opening theme is by ENA, while the ending theme is "buddy-body" by Rie Kugimiya, Yuko Goto, and Kanae Ito, the voices for Melona, Menace, and Airi, respectively. For the OVA, the ending theme is by All 19 Beautiful Warriors, consisting of the entire voice cast of the series.