Necro but yeah, i believe this game would be on hiatus. The last update was from new year and we are already on april, whatever hit him from illness effed up the dev really bad, and with all the whole virus thing around the world i don't really know.
What we can assume is that he(?) is still alive and capable of communicating (not sure how to better express myself here).
The reason I'm assuming this is that the previous game is being published on Steam (
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) so Kagura games were definitely able to get in touch and negotiate a deal on that.