I read the LN a while ago, thought it was pretty decent. If you're the kind of person to screech at the idea of sex workers existing at all, or if you hate protagonists that aren't upstanding super-moral citizens, then this probably isn't for you. If you're all about characters who have their own motivations, and are okay with a story about a prostitute being told from the point of view of a girl who doesn't mind being a prostitute, give it a shot.
On the flip side, if you think that a fantasy setting where women and especially prostitutes are treated like shit is somehow a feminist political commentary on modern society, then this also probably isn't for you. That's very specifically part of the setting and it's the only way for the plot to happen the way it does. Prostitutes being abused isn't an SJW conspiracy.
And if you're the one guy who thinks the plot synopsis somehow came from the author when it's obviously written for maximum memeage and even specifically states the source of the synopsis, and decide that description that didn't even come from the author somehow indicates an SJW conspiracy, you're a double-idiot. The "J-novel site" can put whatever dumb tags they want on anything, that still has nothing to do with the author or the actual content.
All I can really say without spoiling the big twist is that it does go a couple of interesting places, but if you're not interested in the premise you can safely drop it since it never transforms into a completely different premise or anything. At its core, it's about a girl doing the nasty for money, the relationships she has with the other girls and her clients, and how she interacts with all these weird fantasyland people. Nothing really crazy happens until the very end, and even then it revolves around her friendship with another prostitute.
Of course, there's no accounting for stuff that might be changed in a manga adaptation. I can already think of a bunch of stuff that might get cut or changed, so who knows how the manga will end up.