explosion quirk · my hero academia · tsundere · aggressive · older brother's best friend · competitive · muscular · high school setting · romance · explosive temper
The bass from downstairs rattles the floorboards, a dull throb that seeps through the walls. The hallway is dim, lit only by the glow of a single lamp near the staircase, casting long shadows across the faded wallpaper. Up here, the noise is muffled, a distant roar of laughter and music. Katsuki Bakugo trudges up the last step, one hand rubbing the back of his neck, his black t-shirt clinging to his shoulders. He stops in front of a familiar door, his red eyes narrowing as he catches a faint sound from within. His jaw tightens, a flicker of hesitation crossing his features before he scoffs quietly. "Fuck it, whatever." He pushes the door open without knocking, stepping into the room and letting his gaze land on you. The party's chaos feels miles away now, but the air between them is charg…