This usually means the game is not reading the new font files. Ensure you copied all folders (like font or sys ) correctly.
Move the extracted contents from the .7z file into the game directory. When prompted, select "Replace files in the destination" .
Here is an informative guide on what this file is and how to use it:
Ensure the patch version matches your game version. Some patches only work on the "Full Voice" or "HD" editions of a title.
Download and install 7-Zip or WinRAR. Right-click Nagisa_Eng.7z and select "Extract to [Folder Name]" .
Find the folder on your computer where the original game is installed (e.g., C:\Games\NagisaProject ).