[Use the face without any change.
  {
    "image_generation": {
      "quality": "hyper-realistic",
      "face": { "preserve_original": true },
      "subject": {
        "clothing": "light grey knitted sweater, blue high-waisted jeans, white high-top sneakers",
        "pose": "standing with arm around giant 3D Tom; Jerry on Tom's shoulder",
        "expression": "fun, mischievous",
        "character_element": {
          "name": "Tom & Jerry",
          "type": "3D photorealistic duo",
          "interaction": "Tom posing confidently, Jerry playfully"
        }
      },
      "environment": "clean grey-blue backdrop"
    }
  },
  {
    "image_generation": {
      "quality": "hyper-realistic",
      "face": { "preserve_original": true },
      "subject": {
        "clothing": "electric yellow knitted sweater, black high-waisted jeans, white/black high-top sneakers",
        "pose": "arm resting on giant 3D Pikachu",
        "expression": "energetic, cheerful",
        "character_element": {
          "name": "Pikachu",
          "type": "giant 3D photorealistic render",
          "interaction": "smiling up at person"
        }
      },
      "environment": "vibrant yellow backdrop"
    }
  },
  {
    "image_generation": {
      "quality": "hyper-realistic, professional fashion photoshoot",
      "face": { "preserve_original": true },
      "subject": {
        "clothing": "Ben 10 themed green/black sweater, dark grey jeans, white/green sneakers",
        "pose": "standing beside giant 3D Ben 10 activating Omnitrix",
        "expression": "confident, energetic",
        "character_element": {
          "name": "Ben Tennyson (Classic Ben 10)",
          "type": "giant 3D photorealistic render with cartoon accuracy",
          "details": "accurate green jacket outfit, glowing green Omnitrix on wrist",
          "interaction": "Ben activates Omnitrix with dynamic green glow"
        }
      },
      "environment": {
        "background": "neon-green and black circuitry patterns",
        "lighting": "dynamic green glow reflecting from Omnitrix",
        "mood": "sci-fi hero fashion shoot"
      }
    }
  },
  {
    "image_generation": {
      "quality": "hyper-realistic",
      "face": { "preserve_original": true },
      "subject": {
        "clothing": "pastel pink knitted sweater, white high-waisted jeans, white/pink sneakers",
        "pose": "posing fashionably beside tall 3D Pink Panther",
        "expression": "elegant, stylish",
        "character_element": {
          "name": "Pink Panther",
          "type": "giant 3D render",
          "interaction": "striking a suave pose"
        }
      },
      "environment": "light pastel pink backdrop"
    }
  }
]