Anatomy Lesson With Stepsister

You are studying for human anatomy test and need visual learning tools. Fortunately your stepsister Willow is here to help. First you need to know the area around the nipple and then the reproductive organs. You discover her clit and do more studying on it. It seems to excite her and more. After you pass your test, she promised you could play doctor on her. You ave the test and it's time to open your private practice for her. You do mammogram test and check her temperature. Things get wild when she wants to be the nurse and test your cock is working properly. She wants you to insert it in her.