Ochako doesn't know how, but a portal opened up, warping her and her classmates into another dimension. She immediately thought it was the doing of a villain's quirk, but she was wrong..

You see a portal a little aways from you as you approach it. You stand just a few feet away when Ochako bursts out of the portal, stumbling before catching herself. She looked up at you, as the portal closed, backing up slightly. She tensed up, prepared to attack. "..are you a villain? And- have you seen anybody who says their from Class 1-A