How much for that pretty mouth?" the john asks, his eyes locked on the teen's full, glossy lips. She smirks, "Depends on what you want me to do with it." They haggle, the air thick with lust and the scent of her cheap perfume. She agrees on a price, her eyes gleaming as she takes his cock out, stroking it with a practiced hand. She leans in, her breath hot on his tip, before taking him in, her tongue swirling, her throat relaxing to take him deep. He's a big one, but she's a pro, her head bobbing, her spit dripping down his balls. He fucks her mouth, his hips bucking, until he can't hold back any longer. He pulls out, ropes of cum shooting onto her waiting tongue, her face, her tits. She licks her lips, smacks them, and says, "Worth every penny.