He was back a year ago, in June 2022, at the university teaching building.,But the reality is that the whole world is incredibly peaceful. The city he lives in hasn't seen a major crime in decades, and there's no news of any wars happening anywhere else abroad.,“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.”。