Tạo dáng bikini bãi biển siêu thực với tàn nhang và hạt cát

{ "subject": { "description": "Young woman with long, straight, auburn-red hair and fair skin featuring prominent natural freckles on her face and shoulders.", "body_type": "Fit and curvy physique with a slender waist, wider hips, and prominent glutes accentuated by the pose. Chest volume is visible in profile, appearing natural and gravity-affected.", "clothing": "Black string bikini set. The top has triangular cups, and the bottoms are a thong style with side ties.", "skin_details": "Realistic skin texture with visible pores, freckles, and sand grains sticking to the skin, particularly on the buttocks and thighs.", "hair_details": "Long, reddish-brown hair cascading down the back, slightly tousled by the wind." }, "pose": { "orientation": "Lying prone on the stomach on a sandy beach, pushing the upper body up with extended arms in a cobra-like stretch.", "head_position":