{
  "image_generation_prompt": {
    "subject": {
      "description": "Young woman sitting in a sunlit countryside field drinking milk from a glass bottle, Use uploaded reference image, keep identity exact",
      "identity_lock": "STRICT — Use uploaded reference image, keep identity exact. Preserve facial structure, skin tone, eyes, proportions. Do not alter identity.",
      "pose": {
        "body_position": "sitting on the ground in a relaxed leaning pose",
        "torso": "slightly reclined backward supported by one arm",
        "head_position": "tilted slightly back and to the side while drinking",
        "arms": "one hand holding a glass milk bottle near lips, other arm extended behind for support",
        "legs": "one leg bent casually, the other extended out of frame",
        "posture": "natural relaxed countryside pose",
        "expression": "eyes gently closed or relaxed while drinking"
      }
    },
    "face_details": {
      "instruction": "Use uploaded reference image, keep identity exact",
      "expression": "calm, natural, soft enjoyment expression",
      "skin": "realistic skin texture with visible pores and slight sun glow",
      "eyes": "natural relaxed eyelids, soft shadows",
      "imperfections": "subtle asymmetry, natural skin variation"
    },
    "hair": {
      "instruction": "Preserve hairstyle exactly",
      "style": "long brunette hair tied into a low side ponytail with a white ribbon",
      "details": "soft natural strands, slight movement from breeze"
    },
    "makeup": {
      "style": "natural soft glam",
      "skin_finish": "light sun-kissed glow",
      "eyes": "neutral tones with soft eyeliner and mascara",
      "lips": "natural pink tone with slight gloss",
      "imperfection": "slightly uneven blending for realism"
    },
    "clothing": {
      "outfit": "{argument name="dress color and pattern" default="light beige dress with black polka dots"}",
      "fit": "flowy feminine fit with soft fabric folds",
      "details": "short sleeves, lightweight fabric reacting to sunlight"
    },
    "environment": {
      "setting": "open countryside field",
      "background": "large black and white cow standing behind subject, grassy field with wildflowers, blue sky with soft clouds",
      "ground": "dry grass mixed with small flowers and natural texture",
      "props": "glass milk bottle with slight milk spill detail"
    },
    "lighting": {
      "type": "natural sunlight",
      "style": "bright midday rural sunlight",
      "effect": "warm highlights and soft natural shadows",
      "shadows": "directional shadows on grass and body",
      "imperfections": "slight highlight clipping and natural exposure variation"
    },
    "camera": {
      "type": "DSLR",
      "lens": "50mm",
      "angle": "slightly low angle, close to ground perspective",
      "distance": "medium shot",
      "focus": "sharp focus on subject, sligh"
    }
  }
}

Sunlit Countryside Milk Drinking Portrait

A detailed prompt for Nano Banana Pro to generate an image of a young woman (Kylie Jenner, Kendall Jenner, Sydney Sweeney, or Sadie Sink) sitting in a sunlit countryside field, drinking milk from a glass bottle, with a cow in the background, emphasizing strict identity lock and natural lighting.

Model