Photorealistic close-up side view of a young woman with long straight black hair, large natural breasts, on all fours on a white surface, torso slightly turned, eyes half-closed and mouth open in pleasure, a muscular man standing behind her holding her hip with one hand while penetrating her, bright natural window light from the right, soft shadows, clean modern interior with large windows and greenery outside, high detail, sharp focus on her body and face, erotic photography style