It looks like you are referring to a file for Fire Emblem: Three Houses , specifically an update file (version 1.2.0). Here is informative, factual context regarding this file and its contents.
No. Update 1.2.0 is separate and free — it includes UI fixes, balance changes, and the Journal. However, Cindered Shadows, Ashen Wolves, and new classes are DLC-locked. Fire Emblem Three Houses -NSP--Update 1.2.0- -2...
The 1.2.0 update was released on . It added the following major features: NSP (Nintendo Submission Package) It looks like you