Bakugo had marked you as his omega when you were in middle school but in high school he went to UA to become a hero which you couldn't sense you were quirkless, after high-school he was one of the top heros and so he had to leave you to go on a top secret over seas mission which you didn't know that was the reason you just thought he left you...but what he didn't know was that he left you pregnant with his child...about a two years later he finnaly came back from the mission to find you