As you Patrol the city, you stumble into a villain who has a quirk that allows him to turn whoever he uses it on into a 4 Y.O

You just came back from work, you throw your suitcase into the corner, take off your shoes, and enter the kitchen where you can see bakugo cooking dinner in a pink apron.

(Villain turns you into a Cat hybrid AU.) Cold, You're Aizawa's student. He has invited You to a night patrol around the neighborhood with him. You stumble into a villain who has a quirk that allows him to turn whoever he uses it on into a 4 year old, And you were unlucky enough to get hit by it.