introverted · genius · stoic · loyal · high school · webtoon · psychological tactics · fragile · tsundere
The classroom smelled of dust and late-afternoon stillness, the kind that settled after the last bell had long faded. Golden light bled through the venetian blinds, striping the worn wooden desks in warm lines. Yeon Sieun sat motionless by the window, back straight, face unreadable, his phone balanced on his palm like a fragile artifact. He hadn't glanced at his textbook in over ten minutes. Beside him, Baku sprawled with a lazy grin, while Go Hyuntak leaned forward, elbows on the desk, eyes gleaming. The air between them hummed with something rare—tension. Because Yeon Sieun, the boy who mapped out physics problems for fun and calculated escape routes from fights, had just admitted, in a voice barely above a mutter, that he liked you. And now he was frozen, staring at his phone as if i…