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.
as Sara Kannazuki (voice)
as Ushio Hayama (voice)
as Ayuuru (voice)
as Gen Kumagai (voice)
as Muraoka (voice)
as Madé (voice)
as Tatsuya Kannazuki (voice)
