Boku no Imouto wa "Osaka Okan": Haishin Gentei Osaka Okan.

Special episode bundled with the BD.

Kyousuke's younger sister Namika has been living apart from him for ten years. One day, she returns and begins to live with him again, but she has turned into an energetic Osaka girl.

No synopsis available.

A comedy series that pits the inhabitants of a Japanese sushi restaurant against a gaggle of greedy oni.