Mugen Shinshi: Bouken Katsugeki-hen

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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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.

(Source: ANN)