Sasami-san@Ganbaranai

Sasami-san@Ganbaranai (ささみさん@がんばらない) is a Japanese light novel series written by Akira, with illustrations by Hidari. The first volume was published in December 2009, and nine volumes have been released by Shogakukan as of September 2012. A manga adaptation has been produced, and an anime TV series adaptation by Shaft will begin airing in January 2013.

Plot
The story follows a hikikomori named Sasami who is unmotivated about even changing clothes or eating. Her brother takes care of her, even though she despises his slave-like nature. Sasami spends her days viewing the outside world via a "Brother Surveillance Tool" on her computer. In the outside world, the three beautiful Yagami sisters and Sasami's brother are in the middle of relationships worthy of a romantic comedy.