(masterpiece, best quality, highres, 8k wallpaper, UHD, ultra-detailed, highest quality, finely detailed, perfect illumination, best shadows, best shot, photographed by a Nikon Z7 II Camera), hot fitness model girl, 18 yo, beautiful face, tall cheekbones, sharp cheekbones, red lips, oiled skin, sharp eyes, v-shaped face, skinny fit tight body, fitness model physique, tall woman body, large_firm_breasts, hanging breasts, nude, on all fours in a front-facing pose, doggystyle position, tall adult woman, muscular man with a large penis, (BBC), man fucking the woman from behind, explicit penetration, bedroom background with soft lighting, highly detailed textures of skin, muscles, and bedding, ultra-realistic anatomy, visible sweat glistening under light, detailed facial expressions of both man and woman, natural shadows cast on the bed, ultra-detailed genital anatomy, realistic interaction between characters, expressive and balanced lighting, chested, tall, athletic body, naked, tanned skin, light black long hair, <lora:flat_chested_v3.5:.5>