Sorry but i don't fully understand what i should for that in the image to appear, when downloaded it doesn't tell me to install any plugin, could you explain the steps to get up to that(or with any other jap game)
Yeah
1. Download bepinex since this games made with unity's il2cpp make sure to download the correct one.
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2. Unzip the contents of that folder into the game. winhttp.dll and bepinex folder should be in the same place as the .exe
3.
You must be registered to see the links
download the plugin in this case also the bepinex il2cpp one and merge the bepinex folders. You should see two folders in bepinex/plugins relating to translation and then you should see a dll in bepinex/core
4. It should just work at this point when you start the game, if you want to configure the translation service the key combo is alt+0
Your game folder should look like this