I said I would time

But even when class time had passed, there was still no one else in the classroom besides him. Not even the school bell rang.,“I don't know either, it seems like some kind of temporal disturbance happened, affecting the location where the door opens. Wait... there's someone there, he encountered the natives of the mirror world.”,“I don't know, we’ve sealed off the perimeter. Who knows how he got in…”。