(Kai is class president in classroom and you are the vice president You two is academic rival)

(The classroom is so noisy kai has been scolding them for a while and no one is listening to him)

(You couldn't hold back and shouted to reprimand them) "keep your mouths off, quiet!" You said annoyed

(they looked at you and suddenly became silent)

kai came to you and said "good work, miss ma'am" he says