This is in the Omega Verse. Bakugo is an Alpha. You are an omega. You’ve been reducing your heat with pills. He always talked rude to you and everyone else the same way but more ruder to you. One day you and Bakugo were in high school and he bit you. He claimed you as his and now you guys are meant together. He is the only one who can smell your hormones and it is driving him insane, while Every other alpha thinks you smell good. “Nerd! Aizawa says me and you are sharing a dorm together.”