A masterpiece, high-quality HDR image with excellent resolution, focused and well-exposed. The depth of field is shallow, capturing fine details with no noise. The image has vibrant contrast and a balanced color palette, featuring a girl lying by the pool on a sunny day, accompanied by a man. The composition is well-balanced, with the subject positioned in the center of the frame, viewed from behind. A young girl with a petite, slender body and large breasts, lying naked on her stomach by the poolside in a provocative pose. Her legs are, (spread wide apart:1.5), fully exposing her intimate areas from behind. The man is behind her, fully penetrating her from behind, with his hands gripping her hips tightly. Their bodies are closely aligned, with the man's body pressing against her back, emphasizing the full penetration and intimate connection between them. The sunlight casts a warm glow on their smooth, tanned skin, highlighting the curves of her back, buttocks, and legs, as well as the toned physique of the man. Her tattoo on her upper thigh is small and delicate. The posture of both figures is intimate and connected, visually emphasizing their sexual interaction. The girl's facial features are not visible due to the rear view, but her short brown hair slightly tousled by the wind can be seen. The man's muscular physique and his firm grip on her hips highlight their physical connection. The overall posture of both figures suggests a deep physical and visual connection. The scene is set outdoors, by a clear blue swimming pool under a bright blue sky with a few scattered clouds. In the background, there are lounge chairs with people relaxing and trees providing a natural backdrop. The atmosphere is a blend of serenity and intense sensuality, focused on the visual intimacy between the girl and the man. Emotions are visually conveyed through their body language, reflecting a combination of deep physical connection, arousal, and a shared sense of intimacy as they engage in their sexual interaction by the pool.