A British teen in a Catholic school uniform finds herself in a taboo situation with a much older man. She's curious, naive, and horny, and he's more than willing to teach her a lesson. She practices her newfound skills on his thick, veiny cock, taking it in and out of her mouth, learning to control her gag reflex. He guides her, his hands on her head, until he can't hold back any longer. He cums hard, filling her mouth with his hot, sticky load. She's shocked at first, but she swallows every drop, her innocent face now marked with the evidence of her sinful act.