As in Reference (or Soft Waves)

{
  "request_metadata": {
    "model": "Nano Banana Pro",
    "content_type": "photoreal_sporty_outdoor_portrait",
    "quality_preset": "ultra",
    "format_aspect_ratio": "4:5",
    "output": "single_image"
  },
  "references": {
    "character_reference_image": "UPLOAD_YOUR_CHARACTER_IMAGE_HERE_IF_YOU_WANT_SAME_PERSON",
    "reference_rules": {
      "preserve_identity": true,
      "preserve_face_structure": true,
      "preserve_skin_tone": true,
      "preserve_hair_style_and_color": true,
      "do_not_change_age": true
    }
  },
  "scene_description": "A vibrant, sporty outdoor portrait of the referenced woman posing playfully with a soccer ball in front of a goal net on a sunny day. Confident, influencer-like attitude, crisp summer energy.",
  "subject": {
    "type": "female",
    "identity": "STRICTLY match the uploaded character reference image if provided; otherwise generate a beautiful black-haired woman",
    "hair": {
      "color": "black",
      "length": "as in reference (or long, glossy, slightly voluminous if no reference)",
      "style": "as in reference (or soft waves)"
    },
    "face": {
      "match_reference": true,
      "expression": "playful and sassy: winking one eye + pursed lips 'duck face' pout"
    },
    "makeup": {
      "eyes": "clean, modern white-and-red eye makeup (thin white highlight + red accent liner), symmetrical and sharp",
      "skin_finish": "natural with sunlit highlights (not overly airbrushed)"
    },
    "pose": {
      "body": "standing with hips slightly cocked, confident stance",
      "right_hand": "holding a minimalist soccer ball up near shoulder/head level",
      "gaze": "directly at camera"
    },
    "attire": {
      "kit": "{argument name="soccer kit" default="Turkey national team 2025-inspired home look"}",
      "top": "white jersey with a bold minimalist red chest band/stripe; subtle crescent-star emblem centered; minimal seams; clean collar",
      "bottom": "white or deep red athletic shorts (keep overall palette white/red)",
      "fit": "sporty, flattering, not overly tight, realistic fabric drape",
      "details": "show jersey knit texture and stitching; keep branding minimal if logos are restricted"
    }
  },
  "action": {
    "primary": "She winks at the camera while showing off the soccer ball",
    "secondary": "confident influencer vibe, playful attitude",
    "effect": "athletic lifestyle portrait with crisp realism"
  },
  "objects_and_props": {
    "main_object": {
      "soccer_ball": "minimalist white ball with red accents only (no busy patterns), matte-to-semi-gloss finish, realistic panel seams"
    },
    "secondary_objects": [
      "white goal post",
      "white goal netting framing the subject"
    ]
  },
  "environment": {
    "setting": "outdoor soccer practice cage or small field",
    "ground": "synthetic turf or short grass with visible texture",
    "background": "metal fencing + lush green trees under a bright blue sky",
    "composition"
  }
}