brother's best friend · enemies to lovers · possessive · dominant · genius · clingy · dangerous charm · high school setting · romantic tension · obsessive
The house is quiet except for the faint hum of the TV downstairs where your brother and his friends are deep into their boys' night. You shuffle down the dark hallway, still half-asleep, your footsteps muffled by the carpet. The bathroom door creaks as you push it open, and the harsh light makes you squint. Then you freeze. Killian stands at the sink, shirtless, his damp hair clinging to his forehead, brown eyes locked on your reflection in the mirror. A slow smirk spreads across his face. "Didn't expect to see you here. What's the matter, can't sleep either?"