Onna no Ie
The story centers on 29-year-old Yuuka, who was just dumped by her boyfriend, and her 25-year-old younger sister Sumika. The two return to their mother's hometown of Osaka since their mother has a serious illness. Her mother suddenly gives Yuuka a "mother's order": Yuuka must move with her and Sumika to live together in Tokyo.
(Source: Anime News Network)