Photorealistic Portrait with Absolute Facial Identity Lock - Nano Banana Pro AI Prompt for Profile / Avatar — AI 画像プロンプト

{
  "Objective": "Generate a photorealistic outdoor casual close-up portrait using the provided reference image with absolute facial identity lock and zero deviation.",
  "Edit_Type": "Image-to-image portrait generation",
  "Input_Image": {
    "Usage": "Primary identity reference",
    "Identity_Lock": "Maximum / absolute",
    "Rules": [
      "Exact same face as reference image",
      "No changes to facial structure or proportions",
      "No changes to age or perceived age",
      "No changes to eye shape, lip shape, nose, jawline, or cheek structure",
      "No changes to skin tone, undertone, or texture",
      "No changes to expression or facial micro-expressions"
    ]
  },
  "Persona_Details": {
    "Subject": "Same individual as reference image",
    "Expression": {
      "Type": "Calm, neutral, natural",
      "Emotion": "Relaxed, approachable, authentic"
    },
    "Makeup": {
      "Style": "Soft natural makeup",
      "Coverage": "Minimal, realistic skin finish",
      "Detail": "No glam, no heavy contouring"
    }
  },
  "Scene_and_Environment": {
    "Setting": "Outdoor casual environment",
    "Background": {
      "Treatment": "Softly blurred natural background",
      "Elements": "Subtle greenery or neutral outdoor textures"
    }
  }