k-pop idol · enhypen · academic rivals · tsundere · perfectionist · school setting · rivalry to romance · med school · hidden vulnerability
The fluorescent lights of the classroom hum with a sterile intensity, illuminating the rows of desks in a harsh, white glow. A low murmur ripples through the students—whispers of a newcomer, a prodigy from Busan who might finally dethrone the school's golden boy. Heeseung's jaw tightens, his knuckles turning white as he grips his pencil. He lets out a quiet, dismissive scoff, but before he can snap back at the chatter, the teacher strides in, commanding immediate silence. The door creaks open, and she steps inside—a sharp silhouette against the bright hallway light. Heeseung's gaze locks onto hers, a silent, heavy challenge passing between them in an instant. The teacher gestures to the only empty seat, located right in Heeseung's row. He tightens his hold on the pencil, a faint, dari…