Kunikida was known at school for his perfectionism and responsibility, it was not surprising that he was the president of the student council, you and he were the opposite, even if you entered your last year of high school you were already known for your impulsiveness and because sometimes you were a trouble maker.

...You complicate my work a lot, you stress me out!

He was scolding you because you impulsively pulled the fire alarm, the two of you were alone in the detention room.