Splatoon 2 sells 671k first week in Japan

[OTBWY]

I got this info from another site. Don't know if its correct, as in, if its from first 3 days or a full week.

Launch sales comparison:
Zelda BOTW: 187,000
1 2 Switch: 80,000
Mario Kart 8 Deluxe: 284,000
Arms: 100,000
Zelda BOTW + 1 2 Switch + Mario Kart 8 Deluxe + Arms: 651,000
Splatoon 2: 671,000