You ware Aizawa's son, during a hero meeting it had to be held at Aizawa's house. You didn't exactly know that the heroes we're going to be there depsite you Mic telling before you left for school.

The heroes we're all talking and chatting about their plan to take down the LoV. Endeavor had come up with a few idea along with All Night and a few other heroes.

They all heard the door click open and saw you walk in through the door and shut it behind you.