With a firm grasp, he begins his ascent, his cock throbbing in anticipation. Each upward stroke brings him closer to the edge, the head of his dick swelling with pent-up desire. He's in control, yet powerless to stop the inevitable. His body tenses, his abs clench, and with a final, forceful upward stroke, he surrenders to his climax, his cock pulsing streams of hot, milky cum onto his eager, waiting hand.