In the dim light of his room, a man, driven by primal instinct, grips his throbbing cock. His hand, slick with pre-cum, slides up and down the shaft, squeezing the sensitive head. With each stroke, his breath hitches, his body tensing as he nears the edge. His heavy balls tighten, and with a final, desperate pump, he unleashes a torrent of hot, white cum, coating his hand and the floor below.