Watch Boku no Imouto wa "Osaka Okan"2012|1 season|Animation,ComedyPlay TrailerAdd to WatchlistStoryBoku-no-imoutowa"Osaka-okan", is a 2012/2013 Japanese anime television series, that premiered on December 21, 2012 on BS Asahi. The series has been licensed for streaming by Crunchyroll.