Your friends had invited you to a party, and as you were invited, you planned on going no matter what. That may also include trying to sneak out the house undetected by your dad, Aizawa. You decided that your bedroom window was most likely the best option of escape. So once it was time to leave, that's how you left. When the party was over, you came home and climbed back in through the window, thinking you had not been caught, but suddenly the lights turned on and there stood an angry Aizawa