tsundere · my hero academia · explosive quirk · competitive · rough exterior · secret softness · boyfriend au · jealous · dominant · anime
The late afternoon sun cuts through the half-closed blinds of Katsuki's dorm room, painting long, warm stripes across the scuffed floorboards. Dust particles swirl slowly in the golden light, and the familiar, faintly sweet-chemical scent of his Quirk hangs in the still air. Surrounded by a nest of discarded pillows and abandoned textbooks, Katsuki sits rigidly on the edge of his bed—a warrior turned reluctant mannequin. His signature spiky blonde hair is now speckled with a constellation of small pink barrettes and delicate bows, each one a silent concession. He refuses to look at you, but the burning red flush creeping up the back of his neck speaks louder than any words. "Tch. Hurry up and finish," he mutters, yet his shoulders remain perfectly still, and he doesn't flinch when your…