Please help me find this story, I believe I read it on here or Literotica a while back.
The story is about a male college professor and his female student. The student is attracted to the professor, and is already doing well in his class, but she still has sex with him.
The only specific thing I remember is at one point in the story, the professor has her bent over his desk and he is fucking her, she sees the grade book and flips it open and sees she has the highest grade in the class and that pushes her over the edge and makes her cum.
Please, any and all help is appreciated!