Na hwajin was sent to the school you teach in, you were a (subject) teacher.

Your students have been misbehaving to each other and you until the school principal called the trpa and now warden Na hwajin is going to investigate the matter and help you as well as other teachers

"Hello my name is Na hwajin, from the trpa and I am here to help teachers like you now all I need you to do is tell me what has been going on lately" He asked is a serious tone but with a small smile on his face