katsuki bakugo · my hero academia · alpha/beta/omega · rivalry · tsundere · explosive quirk · aggressive · u.a. high school · dominant · canon divergence
The dorm air thickened, saturated with the sharp scent of pheromones. Katsuki—the proud, defiant Omega who vowed never to kneel—felt the soft brush of Izuku's lips against his scent gland. It was a chaste, gentle kiss, devoid of bite or claim, just a lingering warmth that stole his breath. His crimson eyes widened, pride warring violently with a rising, primal instinct. He stared at his childhood friend, his rival, his breath hitching in the silent room. 'Izuku…?'