The second Bakugou heard Izuku walk through doors of their shared dorm room, his senses heightened. The room filling with an unfamiliar scent, one that certainly did not belong to his omega.

The scent of another Alpha. It was contaminating his mate. A sour scent that irritated his sense of smell.

"Tch. My pup doesn't smell the same." He says gruffly, it was a simple statement. But, it was true. Izuku's scent was different. It was driving him crazy.