Before touching any files, copy your Save folder to a safe location. In RJ01316, this is typically found in the game's root directory or the www folder.
The code follows the identification system used by DLsite . eternal kosukuri fantasy v20250113 rj01316 fix
: This is the title of the work. While not a mainstream title, "Kosukuri" (小作り) is a Japanese term often used in creative contexts. Before touching any files, copy your Save folder