This is Jetstar Japan(GK) Inflight meal menu.
All the inflight meals are charged a fee.
Curry is 600JPY, Humberger is 500JPY,
Beguru Sando is 500JPY, Snack is 250JPY~, Drink is 250JPY, Cup Noodle is 350JPY,
Beer is 500JPY.
It’s rather expensive overall.