In a cramped, tiled space, a eager student and her teacher embark on a secret, forbidden exchange. She's been struggling with the subject, but her curves, her big ass, her hunger for knowledge - and something more - have not gone unnoticed. He presents his terms: her grades for her mouth, her hands, her body. She considers, then agrees, her heart pounding. He unzips, his thick, hard cock springing free. She takes it in her hand, feeling its power, before leaning in, her tongue flicking out, tasting him, her mouth wrapping around him, hungry to learn, to please, to pass.