Mary never thought she'd be able to think about anything but her probes today, but with a super-sexy instructor like Yan her thoughts hastily changed from math to fuck-fest. She just couldn't fight back dreaming about his stiff meatpipe pounding her facehole and vulva, his mighty mitts and sensitized tongue groping her whole figure and his spunk running in rivulets down her nerdy eyeglasses. Oh wait! What just happened? Did she truly poke him or was it just her wish? Who knows...