When a strange group of men attempt to kidnap Atsuko Fukune, a dancer at a club, she seeks the help of Mamiya Mugen, a famous detective - who also happens to be a child. When it turns out that other girls have gone missing, Mamiya, with the help of his butler Alucard, springs into action to solve the mystery.
戸田恵子
as Mamiya Mugen (voice)
江森浩子
as Atsune Fukune (voice)
滝口順平
as Inspector Edogawa (voice)
八奈見乗児
as Doctor (voice)
Miyoko Aoba
as Sakura Satomi (voice)
永井一郎
as Dr. Tomino (voice)
銀河万丈
as Alucard (voice)
