Ushio is a freediver with strange powers. He and his friends are at a tropical land in search of a rare fish, the Blue Butterfly. This pursuit leads them to Ayuuru, a local girl who might know where to find the legendary fish.
篠原恵美
as Sara Kannazuki (voice)
神奈延年
as Ushio Hayama (voice)
天野由梨
as Ayuuru (voice)
茶風林
as Gen Kumagai (voice)
緑川光
as Muraoka (voice)
折笠愛
as Madé (voice)
菅原正志
as Tatsuya Kannazuki (voice)
