From Hiska Kun (Gaf)
Media Create Sales: Week 46, 2016 (Nov 14 - Nov 20)
01./00. [3DS] Pokemon Sun / Moon (Pokemon Co.) {2016.11.18} (¥4.980) - 1.590.629 / NEW
02./00. [3DS] Pokemon Sun / Moon (Pokemon Sun / Moon Dual Pack) (Pokemon Co.) {2016.11.18} (¥9.960) - 151.379 / NEW
Total Sales:
[3DS] Pokemon Sun / Moon # (Pokemon Co.) {2016.11.18} (¥4.980) - 1.893.387 / NEW
http://www.gamer.ne.jp/news/201611240033/
http://www.4gamer.net/games/117/G011794/20161123002/
For comparison:
[3DS] Pokemon X / Y # (Pokemon Co.) {2013.10.12} (¥4.800) - 1.866.570
[3DS] Pokemon Omega Ruby / Alpha Sapphire # (Pokemon Co.) {2014.11.21} (¥4.937) - 1.508.665
[NDS] Pokemon Pearl / Diamond (Pokemon Co.) {2006.09.28} (¥4.800) - 1.588.734
[NDS] Pokemon Heart Gold / Soul Silver (Pokemon Co.) {2009.09.12} (¥4.800) - 1.442.990
[NDS] Pokemon Black / White (Pokemon Co.) {2010.09.18} (¥4.800) - 2.557.779
[NDS] Pokemon Black 2 / White 2 (Pokemon Co.) {2012.06.23} (¥4.800) - 1.561.738
Second best opening after Black / White.