Good news for those of us who fly NH domestically: they are planning to open four new lounges (including an update to the currently-closed lounge at OKA), three of which will be open by April 1. The announcement in Japanese can be found
here.
OKA (Naha): 2012/2/25 (increasing from 64 to 85 seats)
KOJ (Kagoshima): 2012/3/1 (increasing from 56 to 70 seats)
KMJ (Kumamoto): 2012/4/1 (increasing from 26 to 43 seats)
OKJ (Okayama): mid-August 2012 (50 seats)
Okinawa:
Kagoshima:
Kumamoto:
Okayama: