Rei Sakuma
as Aika Sumeragi (voice)
Hiroko Konishi
as Rion Aida (voice)
Sakiko Tamagawa
as Maypia Alexymetalia (voice)
Akemi Okamura
as Nina Etsuko (voice)
Katsumi Terahigashi
Director
An OVA released between episodes 5 and 6 of AIKa, that takes place between episodes 4 and 5.
