I issued Korean Air business as mileage,
The story of upgrading the seat designation to the first class on its own,,
Korean Air B777-300ER Singapore-Incheon Boarding!
I closed the door comfortably in the first class and lied down
It depends on the route, so you should try it!
00:00 Korean Air ticketing machine +
00:56 First class in first class seating business (seats only)
03:24 Changi Airport Terminal 4, Blasom Lounge
05:05 Korean Air B777-300ER boarding
05:53 Korean Air First Class Cosmosweet 2.0
12:05 In-flight Meal (Business In-flight Meal)
13:35 After Landing, Do It