HDR, photorealistic, a young muscular man in his early 20s with short dark hair, chiseled jawline, and athletic build, front view, standing in a steamy bathroom shower, legs slightly spread, vigorously masturbating with a tight grip on his thick, veiny cock, close-up on his throbbing erection, dripping pre-cum from the shiny tip, intense ecstasy expression with half-closed eyes and parted lips, wa...