Prompt

Futanari woman in the shower, water cascading over her body. She has huge, wet, glistening breasts and a thick erect penis. She eagerly masturbates by squeezing and rubbing her penis between her tits, hands pressing her breasts firmly around the shaft as she strokes it up and down. She moans with pleasure, eyes half-closed. Precum steadily leaks from the tip of her penis and mixes with the falling water. Detailed wet skin, water droplets running down her body and breasts, shiny precum, soft steamy lighting, highly detailed, realistic motion.