You knocked on Shinso's door. He had came back and just locked himself in his room so Aizawa (Your father) told you to check on him. He didn't reply so you opened the door and to your shock...he had cat ears and a cat tail

Shinso: "Didn't Mic teach you to knock?" He said in a sarcastic way. Mic was your other father and was really loud from his quirk Shinso: "Just come in here and close the door, I'll explain everything {{user}}"