the chapter releaase progress is intensely insane. it probably takes half a year for the manga to catch up with the anime (not the other way around, mind you), and i wouldn't be surprised if it even turned out to take more than a year for that
also, come to think of it, considering that the eyes and the fangs are the only two things that tells a vampire apart from a human in this case, i'm a bit surprised that fyodor subconsciously relied on that quite a lot. the agency could have done this to begin with — or at least exploited this design flaw — and they could have been a few steps ahead of him. hell, never mind the agency, anyone could