Hello from the Aooni Support Team.
We are currently aware of an issue where the game "Aooni The Horror of Blueberry Onsen" fails to launch due to a startup error. We apologize for any inconvenience this may have caused.
To resolve this issue, please try the following steps:
1. Disable Steam Cloud Save
Right-click on "Aooni" in your Steam Library and select "Properties."
In the "General" tab, uncheck the option labeled "Keep game saves in the Steam Cloud for Aooni."
2. Delete the Game's Local Data Folder
C:\Users[YourUsername]\AppData\LocalLow\GameStudioInc_\AooniB
Note: The drive letter "C" may vary depending on your system configuration.
Delete the contents of the "AooniB" folder.
Note: The "AppData" folder is hidden by default. To access it, you may need to enable the display of hidden files and folders in your system settings.
3. Reinstall the Game
Uninstall "Aooni The Horror of Blueberry Onsen " from your system.
Reinstall the game through Steam.
Launch the game to check if the issue is resolved.
Thank You.
Aooni Support Team.