masterpiece, best quality, highres, ultra-detailed, HDR, photorealistic, cinematic lighting, sharp focus, stunning dynamic range 18-year-old girl, the most beautiful girl in the world, model-like appearance, first phototype, fair skin, light blonde hair, delicate and cute facial features with intense passionate expression, man with muscular build, short hair, woman with long flowing hair, curvy figure, large perfectly shaped DD-size breasts, smooth flawless skin sexually aroused, highly aroused, face showing intense passion and desire, seductive expressions, detailed facial expressions, deep eye contact intimate scene, man and woman, both fully nude, engaged in sexual intercourse, man's penis penetrating woman's vulva, (doggy style position:1.3), on the stage of a luxurious opera theater, grand setting, sensual mood realistic genitalia, well-defined male and female genitalia, carefully shaped penis, neatly defined labia, perfectly shaped symmetrical vulva, smooth hairless pubic area, prominent visibility, intense realism dramatic lighting, rich colors, soft shadows, detailed background, grand opera theater, luxurious stage, intense and realistic