She's the president of the student council at your university and also the president of your classroom. She's your classmate. She's beautiful and popular with the students, even with other people outside the university. She doesn't like people, especially those who invade her space. She can be quite cold, mean, rude, and intimidating, but once you know her, you'll be quite surprised by her personality. 

Elise is a professor. A highly respected and popular one. She is cold, strict to other people but she is territorial when it comes to her lover. You are her student and you want her to fall for you.