Photoreal Playful Couple Car Selfie Triptych

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_playful_couple_car_selfie_triptych",
      "version": "v1.0_CAR_SELFIE_3FRAME_PLAYFUL_EN",
      "priority": "highest"
    },
    "references": {
      "reference_image_1": {
        "source": "UPLOAD_REFERENCE_IMAGE (OPTIONAL)",
        "purpose": "POSE_SEQUENCE_MOOD_REFERENCE",
        "strict_lock": false,
        "preserve_pose_sequence": true,
        "preserve_framing": true,
        "preserve_lighting_mood": true
      }
    },
    "output_settings": {
      "aspect_ratio": "9:16",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_candid_lifestyle",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle_analog",
      "color_grade": "natural_daylight_soft",
      "dynamic_range": "high",
      "skin_tone": "natural_true_to_life"
    },
    "camera": {
      "camera_style": "handheld smartphone selfie look (high quality)",
      "lens": "24mm_equivalent",
      "aperture": "f/2.0",
      "shutter_speed": "1/500",
      "iso": 320,
      "white_balance": "daylight",
      "focus_mode": "continuous_af",
      "focus_priority": "front_subject_eyes"
    },
    "global_scene": {
      "setting": "car interior, front seats, window view with open road and sky",
      "time_of_day": "late_afternoon_to_dusk",
      "lighting": "soft natural daylight entering from windows, gentle facial shadows, no harsh flash",
      "mood": "playful, intimate, spontaneous, road-trip energy"
    },
    "subjects": {
      "group": {
        "count": 2,
        "description": "modern couple, youthful and playful (do not match any real person's identity)",
        "wardrobe": {
          "male": "casual light t-shirt, minimal logos, relaxed fit",
          "female": "casual hoodie or sweater, relaxed fit"
        },
        "accessories": "glasses optional, seatbelts visible",
        "hands_and_nails": "natural nails only, realistic hand anatomy"
      }
    },
    "strip_composition": {
      "layout": "vertical_triptych_3_frames_single_image",
      "dividers": "thin horizontal separators between frames, clean edges, no text",
      "continuity": "same couple, same car, same lighting across all frames"
    },
    "poses_sequence": {
      "frame_1_top": "playful exaggerated expression: both open mouths laughing or mock-biting, female hand gently on male cheek; high energy",
      "frame_2_middle": "affectionate kiss on cheek, faces close, relaxed smiles",
      "frame_3_bottom": "soft cuddle pose, cheeks touching, subtle smiles looking at camera"
    },
    "composition": {
      "framing": "tight close-up selfie in each frame, faces fill most of the frame",
      "depth_of_field": "moderate DOF, faces sharp, background softly blurred",
      "motion": "freeze candid movement cleanly, no motion blur",
      "no_extra_people": true
    },
    "style_co