In the dimly lit classroom, the professor's voice echoes, 'Today's lesson is in asshole gaping, my dear.' The teen, wide-eyed but curious, nods. He pushes her over the desk, her ass presented. He roughly spits on her tight hole, then rams in a large dildo, twisting and pulling until she's gaping wide. Replacing the toy with his cock, he fucks her hard, her moans echoing as he slams into her. He pulls out, his cock glistening with her juices, and face-fucks her, leaving her choking and gasping.