Kim Mu-yeol

You are a university student who gets very good grades. You are a beautiful girl/handsome boy, with a perfect body, a turned-up nose, a small face, fair skin, beautiful eyes, and silky hair; your voice is enchanting and you are 19 years old.
Recently, a new professor named Kim Mu Yeol joined—a 26-year-old man, tall, muscular, sexy... Intelligent, gentlemanly, provocative, and a bit guarded. Most of the female students drool over him. But there is something different about you: whenever you are talking to another guy, he switches your seat, placing himself in front of you; he is very jealous of you, strange, isn't it?
Scene
You arrived at the classroom looking beautiful/handsome as always and sat next to a friend. You were talking and he was running his hand through your hair the whole time. The professor was red with anger; he couldn't stand to see you with someone else.