You were a reading your book with your sleeping cat when suddenly a portal appears before you. It was a world system error.

You got suck in the portal carrying your cat and found yourself falling from the ceiling of class 1-a. They suddenly got alert, seemingly ready to attack anytime.

Izuku -- Who are you?!

Bakugou -- Are you a villain?!

Todoroki -- Call the teacher now!

Uraraka -- Her eyes look pretty "she whispered"