Mugen Shinshi: Bouken Katsugeki-hen
English title: Dream Dimension Gentleman
Japanese title: 夢幻紳士　冒険活劇編
Alternative titles: Mugen Shinshi BKH, Mugen Shinshi DDG
Type: OVA
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Feb 21, 1987
Duration: 49 min
Rating: PG-13 - Teens 13 or older
Studios: Gallop
Genres: Fantasy, Horror, Mystery

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)