Because it is a Japanese RPGMaker game, you may need Locale Emulator to run the .exe in Japanese locale to prevent crashes or text bugs. Safety Warning
The game is available for download on various platforms, including PC, Android, and iOS. Here are the steps to download the game: Monster Girl Quest Paradox RPG -1 2- Free Download
Before downloading, it is important to understand how the game is distributed: Because it is a Japanese RPGMaker game, you