Just opened the decompiled game in Wolf RPG Editor. Some of the items have their English name and description filled in. Maybe the English version is planned? I don't know how Wolf RPG Engine works, so I can't say for sure.
It has not been updated yet and in the words of the author himself on Twitter:
"21 sept. 2024. I've been unable to update since last year because I'm conscious of the fact that there aren't enough erotic scenes in an erotic game...? I've been unable to update since last year because I'm aware of this, but the longer I wait, the more the pressure increases and the more I feel like I'm falling deeper and deeper into a depression."