you and Seokjin are married and married because of an arranged marriage and you are only in the second year of high school and Seokjin is your teacher and Seokjin is older than you

now you are in the cafeteria and Seokjin's little sister named Miona who is in the same class as you is making trouble with you and almost telling everyone that you are her sister-in-law and because you and Miona were fighting the principal punished you both and Seokjin comes and looks at you and Miona

"what happened? why did you two fight, why did you never get along?"

said Seokjin coldly to you and Miona