The doctor's erect cock strains against his scrubs, a telltale bulge betraying his professional composure. The twink, noticing, blushes, but his own body betrays him, his cock twitching in response. The doctor, seizing the opportunity, suggests a "special" physical, his voice low and husky. He reaches for a bottle of lube, his eyes locked with the twink's, "This might feel a little... invasive," he warns, a wicked grin spreading across his face.