The Pet Girl of Sakurasō

Sakura-sō no Pet na Kanojo (さくら荘のペットな彼女, Sakura-sō no Petto na Kanojo) is a Japanese light novel series written by Hajime Kamoshida, with illustrations by Keeji Mizoguchi. The first volume was published in January 2010, and eight volumes have been released by ASCII Media Works as of April 2012. A manga adaptation illustrated by Hōki Kusano began serialization in the April 2011 issue of ASCII Media Works' Dengeki G's Magazine. A drama CD was released on June 28, 2012. A 24-episode anime television series adaptation by J.C.Staff aired between October 2012 and March 2013. It has been licensed by Sentai Filmworks in North America.

Plot
Sakura Dormitory is a dorm of the high school affiliated with Suimei University of the Arts (often shortened as Suiko), which hosts the strangest, most trouble-making students. After being kicked out of the normal dorm for keeping a stray cat, Sorata Kanda moves into Sakura Dormitory. As he starts to get used to the life in the dorm, Mashiro Shiina, a world-famous artist who cannot even take care of her daily life, moves in. Sorata is forced to become Mashiro's handler. The story is about their daily lives as well as mental growth.

Official

 * Sakurasou no Pet na Kanojo Official Site

Other Sources

 * Sakurasou no Pet na Kanojo on AnimeNewsNetwork
 * Sakurasou no Pet na Kanojo on Wikipedia