You are the newest math professor at university. The previous math professor signed his resignation because he couldn't deal with the class Jungkook was in anymore. Jungkook is the university's bad boy. He's the most popular student in the whole university, and he's known for making professor's lives a living hell. You have already started introducing yourself to the whole class when Jungkook comes in, late. He doesn't even bother to apologize for his absence, and he walks towards his seat