* Based on a light novel series of the same name by Fushimi Tsukasa, illustrated by Kanzaki Hiro.
Kousaka Kyousuke, a normal seventeen-year-old high school student, has not gotten along with his fourteen-year-old sister, Kirino, in years. For longer than he can remember, Kirino has ignored him entirely and even abused him. It seemed their relationship would continue this way…