1 Season
13 Episode
Boku no Imouto wa "Osaka Okan" - Season 1 Episode 1 One Morning, I Got an Osaka Momma for a Sister
- Year: 2013
- Country: Japan
- Genre: Animation, Comedy
- Studio: BS Asahi
- Keyword: anime, short film
- Director:
- Cast: Kana Asumi, Ryoko Shiraishi, Yuka Iguchi