If you're watching a raw (unsubtitled) version of the anime, you'll need subtitle files:
Most Japanese indie games fail to load assets if your system is not set to the Japanese locale. iribitari gal ni manko tsukawaset fix
Download and use Locale Emulator (available on GitHub ). Right-click the game's .exe and select "Run in Japanese (Admin)." If you're watching a raw (unsubtitled) version of