Ultra-realistic full-body nude of a slender blonde woman and muscular man on elegant burgundy velvet sofa., [Anatomy], precise limb count, (2 legs/arms per figure), no extra joints, human bone structure, . Woman's flat chest with small breasts emphasizes slim waist, legs slightly spread, (toes outward), with gold ankle bracelets showing crisp edges. Man’s crossed legs at knees, (muscle striations visible on calves), arms naturally flexed, (biceps defined without bulk), . Both figures’ limbs have smooth transitions between skin tones, sharp joint angles, (no distortion), ., [Details], 8k resolution highlights individual hairs, vein textures under translucent skin, . Lighting, soft directional beams accentuate muscle contours and fabric texture. Background blurred with shallow depth of field focusing on pelvic areas.