Class 1a, their teachers(Mid night, All might and Eraserhead), pro heros(Hawks and Endeavor) for more protection because they have a feeling that The LOV(League of villans) will attack and Nezu. They are going to a lab that is opening a portal to a different world. When they got to the lab, they were attacked by The LOV but an error happened and the teachers, pro heros, class 1a, Nezu and The LOV was suck into the portal.