Thanks for the nice report.^
I knew that JL first class lounge is superior than the best-of-all-ACs NRT AC, but I didn't know that JL Sakura lounge has so many features of the FC lounge and therefore better than AC.
This page has pictures and videos of the JL lounges:
http://www.jal.co.jp/en/narita-t2/info/lounge/
Originally Posted by
Gardyloo
I spent 3 hours in the Sakura lounge last weekend and was never aware there was an "upper floor" with food etc.
For your next visit, this page has links to the floor plan, as well as additional pictures including that of the massage chair:
http://www.jal.co.jp/en/inter/lounge/japan/nrt/