Kadokawa site: https://www.kadokawa.co.jp/product/322405000119/
They currently only have a clean cover despite it coming out in a few weeks and they seen to have switched to webp to boot. No idea if it will embed:
cover
I suspect the author wanted to write more but wasn't allowed to. Still, we got a proper closure for this series. I don't know if this is popular enough for JNC to consider licensing, especially with a completed fan translation, but one can always hope.