Boku no Imouto wa "Osaka Okan": Haishin Gentei Osaka Okan.
Genres: Comedy
Type: ONA, Episodes: 1
Aired: Dec 29, 2012
Studio: Charaction
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
An online-broadcast-only episode of Boku no Imouto wa "Osaka Okan."