Because this is a .rar file, you cannot "develop" or view the text within it directly without first extracting the contents. Here is how you can proceed:
Are you looking to the text within this specific file, or are you trying to fix a bug in the game's script? SlutWitchs_Atelier.rar
Always scan files downloaded from third-party community sites with VirusTotal before opening them, as .rar files from unverified sources can occasionally contain malware. Because this is a
: Use a utility like 7-Zip or WinRAR to open the archive. Because this is a .rar file