The second-year high school student Kanda Sorata lives in Sakurasou, the dormitory for problem children at Sorata's school. One day, Shiina Mashiro — a cute girl who happens to be also a cosmopolitan, brilliant artist — moves into Sakurasou.
Sorata knowing the weirdos at the dormitory feels he should protect Mashiro. Surprisingly she seems to need more help than expected: she…