It(7 days) doesn't have to be in a row. Feel free to have day off :) also you can add more tours.
Fuel/Toll/Parking/Bottled water
Air-conditioned mini van or bus
Experienced English Driving Tour Guide(1-2 guides for entire tour)
Separated driver from 15 tourists
Optional 10 days tour with Jeju Island
All entrace tickets (on the itinerary)
Airport transport(going back to Seoul with us or leave from Busan. You can choose)