18-year-old young woman, slim figure, toned body, smooth pale skin, long straight black hair, large expressive green eyes, perfectly symmetrical face, full pink lips, soft blush on cheeks, seductive and confident expression, proportional breasts, perky nipples, flat stomach, narrow waist, shapely hips, smooth legs, delicate fingers with manicured nails, shaved vulva visibly stretched by large toy, realistic depiction of fluids, completely naked, no accessories, submissive pose, sitting on the edge of a padded bench with legs spread wide apart, back slightly arched, hands gripping the edge of the bench, her body visibly straining from the intense stretching, face flushed with a mix of pain and pleasure, eyes slightly closed, mouth open in a soft moan, luxurious private room, dim lighting creating dramatic shadows, soft white walls, plush carpeted floor, minimalistic decor with a leather padded bench as the central object, subtle golden accents on furniture, warm ambient light emphasizing the curves of her body, highly explicit scene, large black toy visibly inserted and stretching her shaved vulva, realistic skin tension and body movements, detailed fluids, body glistening with sweat, highly explicit focus on stretching, intimate close-up of penetration, masterpiece, best quality, highres, photorealistic, ultra-high resolution, vibrant color palette, perfect skin details, noise-free, cinematic grade quality, perfectly framed composition, HDR, ISO optimized, depth of field, cinematic lighting, high attention to detail.