Made in @Grok Imagine:《丝与光》

1. Subject & Action
A 22-year-old Japanese-European mixed woman, 178cm, refined delicate features, porcelain-fair luminous skin, naturally deep ice-blue eyes, long slightly tousled dark chocolate hair with cool caramel highlights. Extremely narrow wasp waist contrasting with extremely full heavy natural G-cup breasts, large volume, soft realistic weight, pronounced underbust curve and natural hang. She wears a luxurious ultra-short tight ivory-champagne silk crop top with thin straps, fabric stretched across the upper breasts and nipples by the G-cup volume, hem sitting on the lower swell so only the full underbust is exposed. No bra. Matching ivory-champagne thin-edged string thong sitting high on the hips, revealing the continuous line of overflowing bust, underbust, tiny waist, hips and buttocks. Half-reclining on the bed, one knee slightly bent, one hand resting on the sheets, shy warm expression looking directly into the camera through lowered lashes, soft blush, lips slightly parted. A few thin shafts of morning sunlight cross her collarbone, the heavy underbust, and the dip of her waist.
2. Setting & Time
Classic Paris Haussmann apartment bedroom. Tall French windows slightly ajar, sheer linen curtains catching the light, rumpled ivory linen sheets, quiet old-money interior. Early morning, about 8:00 a.m., sun low enough to throw long interior beams.
3. Composition & Camera
Vertical portrait, 85mm lens, shallow depth of field, eye-level to slightly low angle to emphasize height, the heavy bust, and the waist contrast. Subject fills the frame from mid-thigh to hair. Window and Paris facade softly visible behind her. Two or three diagonal sunbeams cut through the frame from the window toward the bed. Fashion editorial crop.
4. Lighting & Style
Key light: warm directional morning window light from camera-left, side-back. Two or three visible volumetric sunbeams with fine airborne grain and dust motes, subtle not foggy. Soft wrap on skin, stronger shadow under the G-cup to show weight and underbust depth, sculpting shadow along the far side of the tiny waist. Specular champagne highlights on the stretched silk crop top and thong. No flash. Helmut Newton meets Ellen von Unwerth elegant erotic fashion photography with cinematic light falloff. High-end boudoir magazine quality, photorealistic, 8k detail, refined warm-neutral grade, fine film grain matching the sun-particle texture.
5. Constraints
No text, no watermark, no logo. No ugly, deformed, extra limbs, plastic skin, heavy makeup, push-up bra look, fake round balloon breasts, implants look, small or medium bust, nipple bandeau, exposed nipples, exposed upper breasts, wide cheap tube top, long top covering the underbust, red underwear, vulgar porn pose, cartoon, anime, childish face, underage appearance, harsh flash, neon colors, heavy smoke, thick fog, or overdone god-rays. Keep the mood elegant, shy, expensive, and naturally lit.