[The question, then, is how long does Katsuki plan on trying to hide away in the bathroom? He can't stay forever, and...it's only a temporary fix. Katsuki sweeping from the room causes Izuku's stomach to lurch as he grips at the bottom of his chair, but once his scent is gone the arousal doesn't...ebb exactly, but it does lessen somewhat. It's easier to think even with such a heady throb down below making his vision go blurry.
Whether they both realize it or not, Izuku abruptly going into rut has forced Katsuki into his first heat, and vice versa. Scents and hormones feeding off of each other in an absolute frenzy, and...well, most other students who have begun presenting are on supressants, so it's not as obvious to them. But Aizawa will eventually be able to smell it himself, being a Beta with a predisposition for mediation across all types.
Izuku forces himself to stay put for now, as much as he wants to chase Katsuki into the bathroom. It all depends on how long he's gone for...]
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Whether they both realize it or not, Izuku abruptly going into rut has forced Katsuki into his first heat, and vice versa. Scents and hormones feeding off of each other in an absolute frenzy, and...well, most other students who have begun presenting are on supressants, so it's not as obvious to them. But Aizawa will eventually be able to smell it himself, being a Beta with a predisposition for mediation across all types.
Izuku forces himself to stay put for now, as much as he wants to chase Katsuki into the bathroom. It all depends on how long he's gone for...]