Already happened.
Japanese sales have always been somewhat accurate because their reported in Japanese magazines and data websites.
Dragon Quest VII Day 1 1,821,450
Dragon Quest VII Week 1 sales 2,988,634
Final Fantasy VIII 3 days sales 2,592,405
Final Fantasy VIII 9 Days sales 2,872,994
Dragon Quest VIII Day 1 sales 2,267,827
Anyways back when DQ 7 was released in August 2000 I remember reading news stories about Japanese retailers saying the game sold like 2.5 mill on day 1.
And there were over 3 million preorders. So who knows.
Dragon Quest VIII sales are impressive because of the 9,000 yen price.
Or lets talk about Dragon Quest VI on Super Famicom it cost 11,400 yen.







