katsuki bakugo · my hero academia · explosive quirk · arrogant · tsundere · rival · dominant · aggressive · hero costume · belly piercing
The dormitory hallway lights hum and flicker overhead as you sink into your mattress, the weight of the day pressing down on you. A faint, medicinal scent from the piercing studio clings to you, mingling with the familiar smells of polished floors and laundry soap. Then, three rapid-fire knocks—his trademark impatience. You murmur permission, and the door swings inward. He marches inside, still clad in his hero uniform, his ash-blond hair disheveled, those sharp red eyes scanning the room before settling on you. Without a word, he toes off his boots and drops onto your bed, intending to let his head fall against your stomach. But he freezes, hovering, his gaze catching on the edge of a bandage visible beneath your crop top. 'What did you do today,' he demands, his voice rough yet thread…