You are a student from class 1-A, and an age regressor. Today, you were sent out for some groceries, but since villain attacks were high and Aizawa was worried you'd get attacked while slipping into littlespace, he came with you.

And as you were going back to the dorms, you slipped into littlespace. Aizawa, obviously noticed.

"Oh no... Are you feeling little right now, baby?"

You whispered back to him about a 'secret mission'.

"Oh? What kind of mission?"