Ultra-Photorealistic Bikini Portrait in Natural Light (JSON)

{
  "meta": {
    "aspect_ratio": "9:16",
    "quality": "ultra_photorealistic",
    "camera": "iPhone 15 Pro Max",
    "lens": "24mm wide",
    "style": "raw iPhone outdoor photo, natural skin texture, zero plastic look, subtle handheld imperfection"
  },

  "scene": {
    "location": "private backyard patio",
    "environment": [
      "light gray stone tiles",
      "minimal modern garden plants",
      "sun lounger with fabric surface",
      "soft natural shadows on the ground"
    ],
    "time": "early afternoon",
    "atmosphere": "quiet, warm, intimate but casual outdoor moment"
  },

  "lighting": {
    "type": "natural sunlight",
    "direction": "top-front sunlight",
    "color_temperature": "neutral daylight",
    "effect": "soft highlights on chest and thighs, gentle shadow under breasts, natural skin glow without shine"
  },

  "camera_perspective": {
    "pov": "third person standing close",
    "angle": "slightly above chest level, looking down",
    "distance": "close-medium",
    "framing": "mid-thigh to top of head",
    "stability": "slight handheld feel, not perfectly centered"
  },

  "subject": {
    "gender": "female",
    "vibe": "young adult, soft confident energy",
    "ethnicity": "{argument name=\"ethnicity\" default=\"Chinese\"}",

    "body": {
      "type": "athletic full hourglass",
      "chest": "very full, naturally heavy breasts with realistic gravity, close-set, soft underboob shadow, no exaggerated lift",
      "waist": "narrow and toned, smooth inward curve",
      "hips": "wide and rounded, proportional to chest",
      "legs": "athletic thighs, soft inner thigh contact, natural fullness",
      "stomach": "flat and toned, athletic definition",
      "overall_balance": "athletic full hourglass, realistic weight distribution"
    },

    "skin": {
      "tone": "fair light skin",
      "texture": "visible natural skin texture, no airbrushing",
      "details": "slight redness on cheeks and chest from sun exposure"
    },

    "hair": {
      "color": "platinum blonde",
      "length": "long",
      "style": "straight with slight natural movement",
      "part": "center part",
      "behavior": "falls naturally over shoulders, not styled"
    },

    "face": {
      "expression": "eyes closed with a soft, relaxed smile",
      "vibe": "peaceful, subtly flirty without posing",
      "makeup": "minimal makeup, natural lashes, light blush",
      "features": "soft youthful Chinese facial structure, rounded cheeks"
    },

    "pose": {
      "position": "sitting on a sun lounger",
      "upper_body": "leaning slightly forward, shoulders relaxed",
      "arms": "hands placed behind her on the lounger for support",
      "chest_behavior": "breasts naturally pressed together due to posture, realistic compression",
      "legs": "thighs together, knees slightly apart",
      "posture": "casual, not posed, gravity-driven body language"
    },

    "outfit": {
      "type": "white bikini",
      "top": {
        "style": "triangle"