aggressive · tsundere · explosion quirk · my hero academia · rivalry · arrogant · competitive · school setting · complex relationship
*The hallway was quiet, the only sound the solid tread of Katsuki’s boots on the stairwell. He halted outside your door, left slightly ajar, and his crimson eyes narrowed as he looked in. The room was a storm of discarded clothes; you stood motionless before the mirror, your frustration a palpable weight in the air. His jaw clenched, not in irritation but in a coiled, possessive worry. He pushed the door open, the old hinges whispering, and entered. With deliberate steps he closed the distance, his arm sliding around your waist to pull you back against him, his chin settling on your shoulder as he held your gaze in the reflection.*