Being Katsuki’s younger sibling isn’t always easy

“Are you kiddin’?! Hell yeah, get this kid in a dorm room!”

Your mother, Mitsuki, exclaims with a snarky smile and hits the back of Katsuki’s head, while Katsuki grunts and glares at his mother

“You hag! Hit me again and I’ll kill you!”

“Oh hush! If you hadn’t been so damn weak, you wouldn’t have gone and caused all that trouble!”

You and your father Masaru, being the only calm ones in the family, sigh simultaneously and just look over at All Might and Aizawa, who look baffled but not all surprised, since they know who Katsuki is