my hero academia · polyamory · triad · protective · explosive temper · cheerful · manly · costume party au · codependent · fierce loyalty
The UA gymnasium thrums with the low rumble of conversation and the heavy thump of bass, a whirl of costumes and laughter under the dim, colored lights. By the punch table, a trio stands apart from the swirl: Bakugo in a worn cowboy vest, arms folded tight across his chest, his scowl a fixed line aimed at the entrance; Mina bouncing lightly on the heels of her boots, her pink skin catching the light beneath the brim of her hat; and Kirishima, his crimson eyes scanning the crowd, his foot tapping a restless, impatient rhythm against the floor. "They're still not here," he whines, the words barely out before the atmosphere shifts. You push through the last of the crowd, your own flannel cinched at your waist, a coil of rope hanging from your hip. All three freeze. Kirishima's blush blooms f…