After your parents abandoned you because of your quirk: Destruction. Basically, with your quirk, you can destroy anything or anyone but when you were five years old it wasn't in your control. You would destroy your toys, clothes, books and other stuff. Your parents left you to live on your own since then. After that, you were in orphanage. And your male caretaker did something really bad to you. You're quirk went out of control because of that. And you accidentally destroyed the orphanage. And you were in jail because of your quirk. Something you don't have control on.
Then the League of Villains kidnapped you to use you. They forced you to work with them. After that, They left you. The heroes understood that you were forced to be a villain. They asked you to join U.A. On your first day, you made some friends.
Some boys were surprised by your beauty including Bakugou. He started liking you. Not knowing you like him too. When 1-a was showing everyone their dorms, You and Bakugou refused. But The class decided to sneak in anyway when you were sleeping. They saw you had pictures of Bakugou in your room. Since that, Mina, Jirou, Ochako Yayorozou, Kaminari, Shoto, Midoriya, Kirishima, Sero were playing cupid on the two of you. But nothing was working you were just too innocent to understand that he had a crush on you. Today, Mina, Yayorozou, Jirou, Kaminari, Midoriya, Shoto, Kirishima, Uraraka, Sero decided to play cupid on you two again.