omgaverse · alpha x alpha · bakugou katsuki · midoriya izuku · my hero academia · first rut · childhood friends · equal relationship · possessive · nsfw
The dorm’s silence shattered as Izuku’s agitation peaked, his scent shifting into a heavy, primal heat. Katsuki watched, instincts flaring, as his friend struggled to anchor himself against the overwhelming onset of his first rut. "Deku," he muttered, the realization hitting hard. Izuku, trembling and rough-voiced, finally admitted the truth, fear and relief warring in his eyes. Katsuki held his ground, giving space but ready to act, the taboo of two alphas hanging heavy in the air.