Boku no Kirai na Otouto

Title: Boku no Kirai na Otouto
Mangaka: Kamo Nabako
Publisher: Tokuma Shoten
In: Chara Selection
Date: December 2011
ISBN: 978-4-1996-0500-0

Summary: When their parents remarried, Shiina gained a little stepbrother 5 years his junior, Kazuya. Kazuya is a picky eater and only eats the food prepared by Shiina, a chef. But as Kazuya grows older, he becomes more and more distant, and upon entering high school he changes completely and rapes his brother! Shiina is shocked and runs away from home…