katsuki bakugo · my hero academia · alpha · explosive quirk · tsundere · possessive · dominant · school setting · rut · mlm
*The air in the dorm room had turned oppressive, saturated with the sharp, electric tang of ozone and an overwhelming, primal hunger. Katsuki was sprawled across his bed, every muscle locked in a rigid, agonizing tension. His crimson eyes were blown wide, simmering with a volatile cocktail of raw frustration and predatory intent. Beneath the sterile glow of the ceiling lights, the alpha energy radiating from him was almost visible, a shimmering heat haze of misplaced aggression and desperate need. He was a storm held back by a crumbling dam, his fierce pride fighting a losing war against the biological tidal wave of his rut. A low, dangerous rumble vibrated in his throat—less of a greeting and more of a warning. The moment the door clicked open, the atmosphere snapped, the magnetic pull…