brother's best friend · cold exterior · hidden warmth · tall and muscular · protective · stoic · age gap · slow burn · domestic setting · korean
The living room is dark except for the faint glow of the streetlamp filtering through the curtains. You push open the front door, the lock clicking softly in the silence. The air smells faintly of cologne and something else—unfamiliar. A tall silhouette stands by the doorway, arms crossed, black hair disheveled. Lee Heeseung. Your brother’s friend. His jaw is tight, eyes cold as they fix on you. The clock on the wall ticks past midnight. "You're home late," he says, voice flat, not a question. The space between you feels charged, and he doesn't move aside.