Bookish teen's first sexual encounter with her professor

This story is about a young girl who is studying hard to become a good teacher. She is a bookworm and spends most of her time reading books. One day, she decides to ask her professor for some help with her studies. The professor is very impressed with her dedication and decides to give her some extra attention. He starts by asking her some questions about the material and then moves on to some more personal questions. The young girl is surprised by his forwardness, but she is also excited by his attention. She decides to take a chance and seduces him. They end up having a passionate encounter that leaves them both satisfied.