katsuki bakugou · my hero academia · omegaverse · pro hero · explosive quirk · tsundere · rivalry · alpha · canon divergence · aggressive
The clinic lights glared, sterile and unforgiving, as the doctor explained the cruel logic of biology: an unmated Omega’s heats only worsen with age. Desperation, thick and sour, led Izuku to a garishly advertised scent-mail service. Weeks later, a small parcel arrived. His fingers trembled as he peeled back the wrapping, revealing a square of black fabric folded neatly inside. He lifted it, hesitated, then breathed in. The scent exploded through him—burnt sugar and cinnamon apples, sharp and sweet and dominantly Alpha. His eyes fluttered shut. His body softened, tension melting into a deep, shuddering relief. For the first time in months, he felt calm.