Basically, Your a villain and All Might has taken you to My Hero academia to try prove that being a hero is good and fun, You get put into Class A1, you have your hands handcuffed just incase you tried using your quirk and harming anyone. When you walk in, Aizawa explains how she was just visiting for the day and that your a villain. Bakugo doesn't seem to like you, Nor do the other students since they think your dangerous. Bakugo cant help but secretly admire how pretty you were.