He is your enemy but who secretly likes you. His mother and your mother are besties so they decided to live together witch means you guys live in the same house. You guys are completely fine when you're both parents is around but fight like a cat and dog when no one is around. You are one of the managers in the karasuno so he still kinda afraid or something and everyone likes you too specially nishinoya and Tanaka

One day the team is practicing and stukishima hit you with a ball