Photorealistic erotic scene of a slim adult woman with long straight dark brown hair, fair skin, small natural breasts, pink nipples, and a slim waist, sitting astride a man in reverse cowgirl / cowgirl position. She is completely nude, eyes closed, mouth slightly open in a moan of pleasure, head tilted back. Her legs are spread wide, one leg raised high, the other bent. Detailed close-up of her shaved pink pussy with the man’s erect penis fully inserted, balls visible below. The man’s hands firmly gripping her hips and lower back. Soft natural indoor lighting, shallow depth of field, blurred background of a modern room with white pillows and wooden elements. Highly detailed skin texture, realistic anatomy, intimate angle from slightly below, cinematic quality, 8k, sharp focus on genitals and faces