In the sterile, white-walled clinic, the doctor's eyes lock onto Zak's innocent gaze. 'Let's check your reflexes,' he says, his voice low and husky. His hands, gloved and clinical, reach for Zak's crotch, feeling the growing bulge. 'Mmm, it seems you're quite responsive today, Zak,' he purrs, his thumb rubbing the length of Zak's hardening cock. 'Perhaps we should explore this further, ensure everything's in working order...'