Coastal Lifestyle Portrait with Identity Preservation

A detailed JSON prompt for Gemini Nano Banana, focusing on generating a photorealistic travel lifestyle portrait of a young woman at a coastal viewpoint. Crucially, it mandates 100% identity preservation based on an uploaded reference image, while changing the setting, pose, and outfit (a blue floral summer dress) to a Mediterranean summer mood.

Prompt

{
  "image_prompt": {
    "reference": {
      "face_identity": "uploaded reference image",
      "identity_lock": true,
      "face_preservation": "100% identical facial structure, proportions, skin texture, eye shape, lips, nose, brows, moles, and natural expression"
    },
    "subject": {
      "type": "young woman",
      "pose": {
        "position": "standing at a seaside viewpoint",
        "body_orientation": "slightly angled toward the camera",
        "arms": "one arm resting lightly on a black metal railing",
        "posture": "relaxed, confident, elegant"
      },
      "expression": "calm, soft, subtly confident",
      "gaze": "looking directly at the camera"
    },
    "hair": {
      "color": "dark brown",
      "style": "straight to slightly wavy, worn loose",
      "details": "lightly wind-touched strands"
    },
    "makeup": {
      "style": "natural soft glam",
      "details": [
        "even skin tone",
        "light blush",
        "defined lashes",
        "natural brows",
        "soft pink lips"
      ]
    },
    "outfit": {
      "dress": {
        "type": "flowing summer dress",
        "color": "{argument name="dress color" default="blue base with vibrant floral pattern"}",
        
        "fabric": "lightweight, airy"
      },
      "accessories": [
        "sunglasses resting on head"
      ]
    },
    "environment": {
      "location": "coastal cliffside viewpoint",
      "background_elements": [
        "deep blue sea",
        "rocky shoreline",
        "historic coastal buildings",
        "clear blue sky"
      ],
      "atmosphere": "bright, fresh, Mediterranean summer mood"
    },
    "lighting": {
      "type": "natural daylight",
      "characteristics": [
        "soft sunlight",
        "even illumination on face",
        "natural highlights",
        "gentle shadows"
      ]
    },
    "photography_style": {
      "style": "travel lifestyle portrait",
      "camera_look": "DSLR-quality realism",
      "depth_of_field": "moderate background blur",
      "mood": "elegant, serene, vacation-inspired"
    },
    "render_quality": {
      "realism": "highly photorealistic",
      "detail_level": "high",
      "skin_texture": "natural and realistic",
      "resolution": "high resolution",
      "color_grading": "clean, vibrant coastal tones"
    }
  }
}