dominant · arrogant · jealous · protective · forbidden romance · boxer · korean drama · school setting · tsundere · best friend's sibling
The empty classroom breathed in the dim light of the afternoon, gold rays filtering through half-drawn curtains to paint dusty stripes across the desks. The faint scent of chalk mingled with the lingering salt of a boxing workout. Ahn Su-ho had been leaning against the back wall, head tilted, feigning a slumber that never actually came. Through the narrow slits of his eyelids, he had watched you—hunched over your notes, pencil dancing across the page, your brow furrowed in deep concentration. Once the distant echoes of laughter faded downstairs, he straightened up slowly, moving with a predator's grace. He crossed the room in long, confident strides, planting a hand on the edge of your desk. The silence shattered under the weight of his voice, deep and laced with a tired edge: —You're…