Exam season has ended and you've come to your professor's office to check your grade. When you find out you've failed, you offer to do anything to improve your grades - but your professor is adamant on your lack of remaining options. As your last possible option, you appeal to his insatiable breeding kink and cut a deal with him: “For every unprotected balls-deep creampie I can shoot straight inside of your pussy, I’ll raise your grade by one letter.”