Ultra-detailed photorealistic explicit nude portrait, 23-year-old attractive Caucasian woman with sun-kissed golden-tanned skin, sitting relaxed on the wide edge of a classic white porcelain bathtub in a bright modern bathroom, legs extremely widely spread apart in M-pose exposing everything, full frontal view, no censorship. Face, joyfully smiling with perfect white teeth, genuine happiness in bright sky-blue eyes, light natural makeup, (subtle mascara, nude lips), soft freckles across nose and cheeks, youthful fresh skin texture with tiny pores visible. Hair, long straight blonde hair, (honey-blonde with natural highlights), neatly braided into a thick single side braid falling over right shoulder and chest, few loose strands framing face. Body, slim-athletic build, small natural B-cup breasts that are softly saggy/droopy, (hanging down with gentle curve due to gravity in seated position, realistic weight and soft fold under breast), medium-sized pink areolas with slightly puffy and elongated pink nipples pointing slightly downward, visible fine blue veins under skin, realistic soft breast tissue texture. Stomach, flat with delicate navel, subtle muscle definition, smooth tanned skin without stretch marks. Genitals, (extremely detailed), completely natural hairy vagina/bush, thick dark-blonde-to-light-brown pubic hair in wide natural triangle shape, dense and curly, covering entire mons pubis, extending along outer labia and slightly down inner thighs, hair not trimmed, authentic density and texture. Visible pink vulva underneath, plump outer labia majora partially covered by hair, inner labia minora medium-length, protruding slightly, darker pink color, glossy natural wetness, prominent clitoris hood and visible clitoral glans peeking out, realistic skin folds, perineum and anus subtly visible in background. Pose & composition, direct eye contact with camera, head slightly tilted, cheerful expression, hands resting relaxed on thighs, feet dangling off tub edge, water level low in bathtub showing light turquoise-blue water with tiny bubbles, realistic water reflections on skin and tiles. Environment, beige-cream ceramic wall tiles with subtle grout lines, chrome shower hose and rainfall showerhead mounted on left wall, several colorful plastic bottles of shampoo/shower gel/body lotion standing on tub rim, soft natural daylight coming from large window, (not visible), gentle warm highlights and soft shadows, realistic bathroom steam/humidity in air. Technical qualities, hyper-realistic skin pores, micro skin imperfections, natural body hair, (fine arm/leg hairs), subsurface scattering on skin, detailed wet-look highlights on labia and nipples, sharp focus on face + breasts + genitals, cinematic depth of field, 8k resolution, professional erotic photography style, Canon EOS R5, 50mm lens, f/2.8, RAW photo quality, no artifacts, highly detailed anatomy, masterpiece, best quality.