"If a guy isn't nice, he's not for me."

Due to the trauma inflicted by her father, Honoka Seyama despises self-centered guys. However, when her mother remarries, the hottest and most self-centered jerk in school, Hijiri Ohmi, becomes her younger brother. In response to Honoka's outward hostility towards him, Hijiri casually provokes her by saying "I don't mind girls like her. It might be fun breaking her in."

What will become of Honoka now that she can't escape from this beast of a guy, whether she's at school or at home? Included is a special brand new chapter of this story!! Living under the same roof as a beast, will Honoka end up as his prey.