Since the file is a .rar archive, you will need software like WinRAR or 7-Zip to unpack it. Right-click the file and select "Extract Here" or "Extract to LumiNyu_Term_46_November_2020/". Likely Contents:
Alternate versions of specific pieces (different outfits, backgrounds, or expressions). LumiNyu_Term_46_November_2020.rar
These files are generally for personal use, such as wallpapers or study. Redistribution or commercial use typically requires explicit permission from the creator. Since the file is a