Oreimo (Author: Tsukasa Fushimi | Illustrator: Kanzakihiro)
Kyosuke Kousaka, the older brother, is a high schooler who's content with simple normalcy. Kirino, his sister, is the perfect student--even modeling for magazines. While in the middle of a typical stalemate of sibling rivalry, Kyosuke learns of his sister's somewhat unusual hobby.
[Character Introduction] Kirino Kousaka
An 8th grade overachiever, she's beautiful, smart and athletic... but she has a twisted interest in R-rated video games. She has a cold relationship with her brother, Kyosuke.