Just a heads-up. Latest version of the game is 1.5. Without it being mentioned in the changelog on the dlsite page, it was secretly updated some time in January. That apparently can happen too. If you don't believe me, you can check the game's bug report page
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. There's no new content in 1.5, only bugfixes. But dev is planning to add some content either later this month or in March.
Translation has been transferred to 1.5, too. If you need the latest version, instructions are in the OP.