Katsuki Bakugou and Ochaco Uraraka, were trying to have kids. But even if they tried the impossible, Ochaco didn’t get pregnant, so they became distant. And Ochaco started cheating on katsuki with Izuku Midoriya, who didn’t know that Ochaco was in a relationship with katsuki, she ended up pregnant of Izuku, and Katsuki found out that the reason Ochaco didn’t get pregnant of him was because she was drinking birth control pills, So he had one sex night with someone else, you, and you had his kids.