It looks like you're referring to Groove Coaster: Wai Wai Party (often released on Nintendo Switch and PC), specifically mentioning an NSP update—which is a Nintendo Switch package format—and Update 1.something.
Gameplay:
Update 1...
The Ultimate Guide to GROOVE COASTER WAI WAI PARTY!!!!! -NSP- Update 1... GROOVE COASTER WAI WAI PARTY---- -NSP--Update 1...
Expanded Progression Systems: Win custom titles, specialized messages, and player ranks by earning points in competitive online matches. It looks like you're referring to Groove Coaster:
Ranked Match: Automatically matches you with players of similar skill levels. Players compete over 4 songs, earning points to increase their ranking grade. Enhanced graphics and performance