Casual Smartphone Camera Roll Photo Dump Collage

{
  "type": "realistic smartphone camera-roll collage",
  "style": "ultra-realistic casual social media snapshot collage, candid smartphone photos, mixed indoor and outdoor lighting, slight motion blur, shallow depth of field, natural skin tones, privacy-preserving pixelated blur square over every face, unretouched aesthetic",
  "main_subject": {
    "description": "[young Japanese woman with shoulder-length dark brown hair], slim build, wearing a [white T-shirt with a cute standing otter illustration on the chest]",
    "identity": "[young Japanese woman with shoulder-length dark brown hair]",
    "outfit": "[white T-shirt with a cute standing otter illustration]",
    "face_treatment": "soft pixelated blur square covering the face in each photo"
  },
  "layout": {
    "format": "single square 1:1 image resembling a camera roll dump, edge-to-edge overlapping photo tiles with no white borders, casual irregular grid, overlapping cropped photos, prominent central image",
    "photo_count": 9,
    "photos": [
      {
        "position": "top left",
        "description": "extreme close-up selfie crop of neck, jawline, hair, and T-shirt; warm indoor light; partial finger visible along edge"
      },
      {
        "position": "top center",
        "description": "messy bedroom mirror selfie, seated wearing otter T-shirt, one hand reaching toward camera with motion blur, room clutter in background"
      },
      {
        "position": "top right",
        "description": "outdoor walking selfie from high angle, moving along narrow alleyway beside buildings, windblown hair, motion blur"
      },
      {
        "position": "middle left",
        "description": "restaurant table candid, seated wearing the T-shirt, pasta dish and iced drink with straw visible, ambient dining room background"
      },
      {
        "position": "center large",
        "description": "dominant vertical central photo tile overlapping neighboring shots, face obscured by opaque privacy blur square"
      },
      {
        "position": "middle right",
        "description": "indoor snapshot near a wooden cabinet, wearing white graphic T-shirt, warm ambient lighting, blurred face"
      },
      {
        "position": "bottom left",
        "description": "full-body street snapshot on sidewalk, peace sign pose, wearing graphic T-shirt and light long skirt with crossbody bag, outdoor street background"
      },
      {
        "position": "bottom center",
        "description": "low-angle indoor candid leaning forward, T-shirt visible, hair framing blurred face, casual room interior"
      },
      {
        "position": "bottom right",
        "description": "close-up crop focusing on the otter chest graphic on T-shirt, partial blurred chin and neck visible"
      }
    ]
  },
  "text": {
    "watermark": "[@yui_ai_model]",
    "watermark_position": "lower-left area of middle-left restaurant photo",
    "other_text": "none, no app UI elements"
  },
  "camera_and_rendering": {
    "look": "authentic phone camera roll, unposed casual everyday moments",
    "lighting": "mixed daylight, warm domestic light, restaurant ambient light",
    "quality": "realistic imperfect snapshots, slight digital grain, motion blur, natural lens perspective",
    "composition": "tightly packed overlapping square canvas"
  },
  "customization": {
    "collage_theme": "[one day of casual candid snapshots]",
    "shirt_graphic": "[cute standing otter]"
  }
}