The room is bathed in the soft glow of the machine's hum, accentuating the stark contrast of his slick, veined cock and the silicone sleeve that engulfs it. His other hand wanders, teasing his heavy balls, as the machine's pace quickens, pushing him closer to his climax. With a final, shuddering groan, he releases, his cock pulsing streams of hot cum into the waiting machine.