Minami-ke (みなみけ, Minami-ke? lit. The Minami Family) is a Japanese manga series by Koharu Sakuraba, who also authored Kyo no Gononi. It was first serialized in the weekly Japanese manga magazine Young Magazine in 2004. The slice of life comedy focuses on the everyday life of three sisters: Haruka, Kana, and Chiaki Minami. The manga was adapted into an anime series by two studios. The anime produced by Dōmu first aired on October 7, 2007. Asread's adaptation first aired on January 6, 2008 under the title Minami-ke: Okawari. A third anime series under the title Minami-ke: Okaeri will first air in January 2009.

Source: Wikipedia