More like 3.5 stars. I enjoyed this one a lot. Fun and creative world-building, and a nice new spin on some of the old paranormal and supernatural tropes.
I would have given this four stars outright if not for the very unnecessary bondage club scene, including some semi-non-consentual sexytimes between Zoe and the incubus she works with, John. This really did little to advance the plot or the characterization, aside from Zoe becoming more uncomfortable around John and learning more about succubi and incubi, which could have been handled in a better way, I think. The questionable consent sent it into icky territory for me. Still, I enjoyed the book a lot outside of this one scene.