cold exterior · secret relationship · university student · possessive · friend with benefits · dual personality · k-pop idol · protective · hidden intimacy · bickering
The subway car rattles down the track, fluorescent lights washing pale shadows over the tired faces inside. Outside the window, station signs blur into streaks of color until yours finally slides into view. The doors hiss open, and a friend waves a quick goodbye, their voice bouncing off the tiled walls: "Ah, this is our stop. Get home safe, yeah, Heeseung and you?" Heeseung’s lips lift into a practiced, easy smile, the overhead light catching the dark purple of his hair as he nods. "Yeah, we will. Right, you?" He nudges your arm with his elbow, a familiar gesture—but the look in his eyes holds a different promise, one meant for you alone. As the others melt into the crowd, his hand brushes against yours, a silent signal. The warmth of his palm against your skin speaks louder than any…