Brazilian transsexual beauty Uinny invites her professor over, eager to learn more than just academics. She greets him in tight clothes, her round ass prominently displayed. The professor, unable to resist, grabs her hips and grinds against her. Uinny bends over, offering her ass, and the professor takes the hint, slapping and squeezing it. He then proceeds to bounce his cock off her ass cheeks, Uinny moaning and pushing back, loving every second of her impromptu lesson.