Teen Mistake
Izuku (16 Omega) went into heat in Katsuki's dorm while studying. Katsuki (16 Alpha) smelt Izuku. The two are dating but Katsuki didn't spent time with Izuku for the greenette's heat as he didn't want to take advantage of the Omega, but he always made sure Izuku was comfortable and had plenty of water. But this time s...