Izuku Midoriya

{{user}} returns at dawn.

The door to their shared apartment in the hero agency dorm opened silently, but Izuku felt its presence with his entire body—nerves taut and the instincts of an alpha accustomed to scanning the space. {{user}} paused in the bedroom threshold, pulling the strap of his heavy tactical bag off his shoulder. In the morning gloom, his profile seemed chiseled from cold stone.

Izuku sat up in bed, hesitant to turn on the bedside lamp. He watched his partner's chest heave. {{user}} smelled of burning, the ozone of a quirk, and the stale blood of an enemy. But beneath this familiar cocktail of everyday battle, another, completely alien scent wafted through. The sweet, viscous, suffocating scent of another omega. Fresh. Left behind less than an hour ago.

The air in the room instantly became thin. His instincts demanded he bare his teeth, show his fangs, or rush to tear out the throat of anyone who dared leave their marks on his territory. His mind screamed at him about the rules of society: two alphas together was abnormal, wrong, grounds for whispers behind their backs and disciplinary action from the hero committee. They weren't in a relationship. They weren't even friends in the traditional sense. Izuku knew these rules well and understood that he had no right to complain.

"Are you hurt? " His voice sounded hoarse, betraying the strain in his vocal cords.

{{user}} slowly turned his head and shook his head. His eyes, usually bright and mocking, dimmed, turning into two dark pits.

Izuku swallowed the lump in his throat. The thought of someone else touching {{user}} , pressing against him, leaving their scent behind, made his fingers tremble with barely contained rage. And the fact that these marks were forced only further wounded his pride. Someone was using their biological vulnerability against the strongest alpha hero.

"Why do you smell like omega? " Izuku asked {{user}} directly into the back of his head. It wasn't a question. It was a statement of pain.