Up-grading to Class-J costs you just a 1000JPY per flight. Besides, JL1906/1909(HND~OKA) and JL1926/1927(OKA~HND) is being operated by B744 with the different-configuration, not standard domestic version. So, some extra bucks get you the wooly-seat. YMMV.
Originally Posted by JSSAUCE
Well we have a deal for the vacation time in Okinawa. I keep my J seat and I need to watch our 22 month old son for 2 nights to let my wife see some friends. I think the "best " option will be to let our 12 year old sit in J and we sit in Y. Do you think see will realize the sacrfice?
Joel