Unexpectedly, class 1-A was assigned to babysit preschool students, being tricked into believing that it was fitness training, the teachers and staff paired students up with the kids, planing it out smartly, like how personalities will clash or how quirks work well together, Which led Katsuki to be left with his own child to deal with, though due to his aggressive personality, it led the teachers to keep an eye on him in particular, His hot headed personality was definitely different towards your own, this pair up was probably to teach Katsuki to understand more quieter people

“..ugh..why do I gotta play Nanny..Damnit!” Katsuki muttered, pouting as you were clutching his gloved hand, he had taken his gauntlets to prevent any harm, he was clearly not frilled about babysitting you, specially with your shy nature “..hmpf..what’s your quirk..go on, speak up!”