Boku no Imouto wa "Osaka Okan": Haishin Gentei Osaka Okan.
Japanese title: 僕の妹は「大阪おかん」第1.5話「配信限定大阪おかん。」
Type: ONA
Episodes: 1
Source: Original
Genres: Comedy
Studios: Charaction
Duration: 3 min
Rating: PG-13 - Teens 13 or older

An online-broadcast-only episode of Boku no Imouto wa "Osaka Okan."