Young beautiful girl engaging in, (anal sex:1.3), with a muscular black man in missionary position, retro pin-up style, masterpiece, best quality, high resolution, ultra-detailed, HDR, soft lighting, vibrant vintage colors, high contrast, 1950s aesthetic, 8k wallpaper, elegant composition, retro styling, palm trees in the background, smooth stone pathway, stylish environment. Age 18 years, slender figure, perfect proportions, very wide hips, larger D-sized breasts, narrow waist, toned arms, smooth glowing skin, youthful appearance with no signs of aging or wrinkles. Retro styled hair, voluminous curls, pinned up with a red bow, glossy and perfectly groomed, full lips with bright red lipstick, bright blue eyes, long eyelashes, high cheekbones, flawless smooth skin, enhanced facial detailing, finely defined features, no signs of aging, no wrinkles, natural makeup with vintage glamour, captivating gaze directed at the viewer, playful and flirty expression. Wearing a vintage short dress, tight around the waist, emphasizing her wide hips and D-sized breasts, playful polka dot pattern, 1950s style with a full skirt, accentuating her hourglass figure, elegant straps, no jewelry, simple yet charming pin-up outfit, high heels. Engaged in, (anal penetration:1.4), with a muscular black man, (huge penis:1.3), the woman lying on her back, legs slightly spread, (deep anal penetration:1.3), visible, the man positioned on top of her, (aligned for anal penetration:1.2), his massive size stretching her with its, his well-defined muscles evident, gripping her waist with strong hands, her hands resting on his broad back, all limbs naturally and correctly positioned, no contradictions in the interaction, correct anatomy for both figures, natural body posture, harmonious proportions with attention to physical interaction details. The man has a muscular body, strong arms, and well-defined muscles, dark skin glistening under the soft lighting, intense facial expression showing confidence and dominance, his body towering over hers with physical power. Lying on a smooth surface outdoors, night promenade in the background, palm trees swaying slightly, retro architecture with warm lighting from nearby lamps casting soft shadows, calm atmosphere with slight breeze moving the trees, retro details surrounding the environment. Emotions are playful, confident, and flirty, looking directly at the viewer, classic pin-up pose while engaged in sexual activity with detailed and realistic, and, in missionary position.