The doctor's eyes widen as the twink's cock stands at full attention, tenting the exam gown. He can't help but stroke it, feeling the heat and stiffness. The twink, now fully into the role, moans and spreads his legs, inviting the doctor to explore his tight, virgin hole. The doctor, his own cock straining against his pants, complies, using lubricated fingers to prepare the twink for a thorough, hard penetration.