The room is filled with the sound of wet skin slapping against wet skin, the symphony of a man's solo symphony. His fist pumps furiously, his cock glistening with pre-cum and the remnants of his last climax. His body tenses, his abs contracting as he fights to hold back his orgasm. But it's a losing battle. With a final, desperate stroke, he comes undone, his cock pulsing as it shoots his load into the waiting tub, the water turning milky as it swallows his essence.