It will probably do pretty good in Japan, but.. I expect only 10-20 million. When Nintendo will release a 3ds successor they will go in competition with themselves.
I really hope that Nintendo is not that short sighted again and still have something up their sleeves.
Intel Core i7 8700K | 32 GB DDR 4 PC 3200 | ROG STRIX Z370-F Gaming | RTX 3090 FE| Crappy Monitor| HTC Vive Pro :3