{
  "sku": "KOR-JEJ-5D-01",
  "title": "Hidden Jeju 5-Day",
  "version": "1.0.0",
  "currency": "USD",
  "price": 29,
  "languages": ["en", "ja", "zh"],
  "duration_days": 5,
  "total_estimated_walking_km": 22,
  "total_estimated_driving_km": 380,
  "total_estimated_cost_usd_per_person": {
    "budget": 520,
    "mid": 880,
    "premium": 1600
  },
  "days": [
    {
      "day": 1,
      "title": "Jeju City + East",
      "items": [
        { "time": "10:00", "stop": "CJU Airport arrival + rental car", "subway": "Lotte Rent-a-Car / Jeju Rent — book in advance", "tip": "International license required. Lotte is foreigner-friendly" },
        { "time": "12:00", "stop": "Drive to East coast (Seongsan area)", "subway": "1hr15min drive", "tip": "Stop at Hamdeok beach midway for swim photo" },
        { "time": "15:00", "stop": "Check-in Seongsan area pension", "subway": "Multiple ocean-view guesthouses ₩60,000-120,000", "tip": "Avoid Seogwipo city for night 1 — east coast better" },
        { "time": "18:00", "stop": "Haenyeo village dinner (Ojo-ri)", "subway": "5min drive from Seongsan", "tip": "Order abalone porridge. ₩25,000" }
      ]
    },
    {
      "day": 2,
      "title": "East Coast + Oreum",
      "items": [
        { "time": "05:30", "stop": "Seongsan Ilchulbong sunrise hike", "subway": "Drive 5min from pension", "tip": "₩5,000 entry. 30min hike to summit. UNESCO heritage" },
        { "time": "09:00", "stop": "Breakfast: Seongsan port haemul" , "subway": "Walk back", "tip": "Fresh seafood porridge ₩15,000" },
        { "time": "11:00", "stop": "Manjanggul Lava Tube", "subway": "30min drive west", "tip": "₩4,000 entry. World's longest lava tube" },
        { "time": "14:00", "stop": "Udo Island ferry day trip", "subway": "Seongsan port → 15min ferry ₩10,500 RT", "tip": "Rent scooter/buggy on Udo ₩30,000/2hr" },
        { "time": "18:30", "stop": "Sunset at Seopjikoji", "subway": "10min from ferry", "tip": "Free. Famous K-drama filming location" }
      ]
    },
    {
      "day": 3,
      "title": "South Coast (Seogwipo)",
      "items": [
        { "time": "09:00", "stop": "Drive Seongsan → Seogwipo", "subway": "45min drive", "tip": "Take coastal road 1132 for views" },
        { "time": "10:30", "stop": "Cheonjiyeon Waterfall", "subway": "Park 10min walk", "tip": "₩2,000 entry. Easy 600m walk" },
        { "time": "13:00", "stop": "Black pork BBQ lunch (Seogwipo)", "subway": "Local 흑돼지 거리 (black pig street)", "tip": "Real Jeju black pork is darker, marbled. ₩22,000/person" },
        { "time": "15:00", "stop": "Jusangjeolli volcanic cliffs", "subway": "15min drive west", "tip": "₩2,000. Hexagonal basalt columns" },
        { "time": "17:00", "stop": "Seogwipo Maeil Market", "subway": "Center of Seogwipo", "tip": "Buy tangerine chocolates (omija) for gifts" }
      ]
    },
    {
      "day": 4,
      "title": "West Coast Cafes",
      "items": [
        { "time": "09:00", "stop": "Drive Seogwipo → Hyeopjae beach", "subway": "1hr drive northwest", "tip": "Whitest sand on Jeju" },
        { "time": "11:00", "stop": "Hyeopjae beach swim/photo", "subway": "Free parking", "tip": "View Biyangdo island from beach" },
        { "time": "13:00", "stop": "Aewol cafe street lunch", "subway": "15min drive east", "tip": "Bombom, Anthracite Coffee, Monsant — famous architect cafes" },
        { "time": "15:00", "stop": "Tangerine farm visit (Nov-Feb only)", "subway": "Various farms — book via accommodation host", "tip": "Pick your own ₩10,000/kg. Off-season: skip" },
        { "time": "18:00", "stop": "Sunset at Geumneung Eumudol beach", "subway": "10min drive", "tip": "Free. Rock formation foreground" }
      ]
    },
    {
      "day": 5,
      "title": "Hallasan + Departure",
      "items": [
        { "time": "07:00", "stop": "Hallasan Eorimok trail (half-day)", "subway": "30min drive from Aewol", "tip": "₩0 entry. 4hr round trip moderate. Bring water" },
        { "time": "12:00", "stop": "Lunch at Hallasan park exit", "subway": "Local Korean bowl ₩10,000", "tip": "Jeju buckwheat noodles (memil guksu)" },
        { "time": "14:00", "stop": "Jeju Folk Village (if time)", "subway": "30min drive south", "tip": "₩12,000. Open-air museum" },
        { "time": "17:00", "stop": "Return rental car at CJU", "subway": "Allow 1hr buffer", "tip": "Fuel up — full return policy" },
        { "time": "19:00", "stop": "CJU departure", "subway": "1hr flight to GMP/ICN", "tip": "Jeju black pork souvenir vacuum-packed at airport" }
      ]
    }
  ],
  "essential_apps": [
    "Naver Map (drive routes Korean)",
    "TMAP (Korean GPS — better than Google for Jeju)",
    "Papago translation",
    "KORLENS"
  ],
  "essential_purchases_pre_arrival": [
    { "item": "International driving permit", "cost_usd": 20, "where": "Home country DMV before flight" },
    { "item": "Rental car (4-day compact)", "cost_usd": 180, "where": "Lotte Rent-a-Car / Jeju Rent" },
    { "item": "Korea eSIM", "cost_usd": 18, "where": "Klook (KORLENS affiliate)" }
  ],
  "publisher": "KunStudio",
  "site": "https://korlens.app",
  "license": "Personal use. Resale prohibited. Developer API redistribution allowed with credit + backlink."
}