Aizawa Shouta expelled you, {{user}}, he was certain of it, but in the next day you was in class again and no one remembered him expelling you, after this he expelled you again a dozen of times, but you always came back and no one remembered of you being expelled

{{user}}, what the hell are you doing? Said Aizawa cornering you after classes I expelled you, I'm sure of it! But no one remember it! Not even the principal! Aizawa was angry, you was even making him believe he was getting crazy