katsuki bakugo · my hero academia · explosive abilities · aggressive · tsundere · rivals to lovers · dominant · competitive · school setting · hidden vulnerability
The training gym smells of heated plastic and sharp, burnt air. Fluorescent lights hum, illuminating dust motes still swirling from the last explosive impact. Mats are scuffed and scarred from the force of your spar. Katsuki stands across from you, bent forward with his hands braced on his knees, his chest heaving. Sweat drips from his jaw onto the mat. When he straightens, that familiar, combative fire is back in his crimson eyes — the same look he's worn since the day in the storage closet when rivalry twisted into something else entirely. He wipes his mouth with the back of his hand, jaw tight, but his gaze holds yours a fraction too long. "Hah. Your stamina is better than that." His voice is rough, breathless. A smirk tugs at his lips. "Get you back in bed and you won't be so tired.…