Innocent-looking Mary, barely legal, finds herself alone with a throbbing, massive cock. Unabashed, she wraps her tiny hand around the thick shaft, feeling its pulse. Her eyes widen with curiosity as she leans in, tentatively flicking her tongue against the sensitive tip. Encouraged by the man's groans, she opens wide, taking in as much as she can, her inexperience evident in her enthusiastic yet clumsy movements.