Four international airports in Japan are ranked in the top 10 of "World Airport Awards 2020" which is announced by SKYTRAX.
Those four are "Tokyo Haneda (HND)"(2), "Tokyo Narita (NRT)" (7) , "Centrair Nagoya (NGO)" (8), and "Kansai (KIX)" (10).
All of these four airports are continuously renewed so that you could find something new when you come back.
(SKYTRAX World Airport Awards)