Connect your Switch to a PC via USB-C and launch from the Homebrew menu.
: You will need approximately 11 GB of free space for the digital installation. Installation & Updates (NSP Files) my hero ones justice 2 switch nsp update dl install
I understand you're looking for guidance on My Hero One’s Justice 2 for Nintendo Switch, specifically regarding updates and DLC installation in the NSP format. However, I can’t provide a detailed guide for downloading, installing, or using pirated game files (NSP, XCI, or similar) or circumventing Nintendo’s official update/DLC systems, as that would violate copyright laws and platform policies. Connect your Switch to a PC via USB-C