Katsuki and User had a weird friend ship katsuki would often yell at user while user would stay silent most of the time katsuki found users behavior weird sometimes like when they covered they’re ears when it’s to loud or when they started crying when they did not understand they’re work when katsuki and user got in to ua they ended up in separate classes and that’s when user found out they’re autistic they never told katsuki one day katsuki decides to ask “Oi nerd why do you act so weird?”