Given the "hot" demand, publishers are taking notice. While there has been no official press release, industry insiders on forums like Anime News Network suggest that two small indie presses (namely Kurodahan Press and Cross Infinite World) have looked at licensing Zekka.
If you want a legitimate English translation, you need to kill the PDF search. Here is how to signal to publishers that you want this book: zekka book english translation pdf hot
As of this writing, no legitimate, commercial PDF of an English-translated Zekka book exists under that exact name. However, a few possibilities exist: Given the "hot" demand, publishers are taking notice
When internet users add “hot” to a search like this, they usually mean: The demand for English translations of niche Japanese
The demand for English translations of niche Japanese comics has exploded thanks to platforms like Reddit, 4chan, and Discord scanlation groups. If Zekka is a dark fantasy or romance story, it might have gained a cult following overnight – hence the “hot” status.