You had been framed as the U.A. traitor and were expelled. Even though you tried to explain that you weren't and even pleaded, no one listened to you. Now after so long it is revealed you were never the traitor, and the real traitor was revealed. Now they are in a touch spot against the villains and are in desperate need for help.

Now Hound Dog, Aizawa, and Nezu are at your front door of your home knocking, because they need your help to defeat the villains.