Photorealistic Single Image

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photorealistic_single_image",
      "version": "v1.0_RED_VELVET_EDITORIAL_FEMALE_REF",
      "priority": "highest"
    },
    "references": {
      "female_character_reference_image": "UPLOAD_FEMALE_REFERENCE (REQUIRED)"
    },
    "output_settings": {
      "aspect_ratio": "2:3",
      "resolution": "ultra_high_res",
      "render_style": "photorealistic_high_fashion_editorial"
    },
    "hard_constraints": [
      "One subject only, perfect identity match.",
      "No text/logos/watermarks.",
      "Perfect anatomy, seamless white studio."
    ],
    "creative_prompt": {
      "scene_summary": "High-fashion editorial on seamless white background: strapless deep {argument name="dress color" default="red"} velvet mini dress, glossy {argument name="lipstick color" default="red"} lipstick, gold hoops + bracelets, {argument name="flower color" default="red"} roses on the floor, crisp studio strobe shadow, magazine quality."
    },
    "negative_prompt": [
      "text, logo, watermark",
      "identity drift",
      "bad hands",
      "plastic skin"
    ]
  }
}