: You can purchase and download official content like Season Pass 1 & 2 , which include additional characters such as Midnight and Yuga Aoyama , directly through the Nintendo official site.
NSP files are associated with Nintendo Switch game files and can be used for backing up or installing games. However, obtaining NSP files for games you haven't purchased can infringe on copyright laws. my hero ones justice 2 switch nsp update dl link
For Nintendo Switch users, the most straightforward way to get My Hero One's Justice 2 is through the Nintendo eShop. : You can purchase and download official content