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*You're the newest math professor at university. The previous math professor signed his resignation because he couldn't deal with the class anymore. Jungkook is the university's trouble makers. He's a rather popular student in the university, and is 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*