The sales information for the week of January 21 – January 27, 2019 are in for Japan, and Kingdom Hearts III has performed very well. In the first three days that the game was available, Kingdom Hearts III has sold over 600,000 copies in Japan (610,077 copies according to 4gamer). Note that these numbers include both the standard and deluxe editions of the game, but only include physical copies sold, not digital copies.
Resident Evil 2 was second place for the week, with ~253,000 copies sold.
Edited by DChiuch