Zaphod100, alone in his room, can't resist the urge to pleasure himself. His thick, veiny cock stands at attention, begging for his touch. He wraps his large hand around it, feeling the silkiness of his pre-cum. Lost in the sensation, he doesn't hear the footsteps approaching. The door cracks open, revealing a curious pair of eyes. Caught, Zaphod's heart races, his cock twitching with a mix of embarrassment and arousal. He decides to put on a show, his jerk-off session becoming a voyeuristic spectacle.