Name of a certain fantasy series

[Zirrboy]

I want it, but I can't remember, so here's what I know, and thanks in advance.

• The original language is Russian
• It's set in Moscow or a similar, large city
• Hidden among ordinary humans live members of fallen civilizations
  • Something elf-like with different schools of magic
  • Others that I don't remember much about, except one posing as a company and another running a monastery
• Science elements, such as a sort of credit card that marks one as knowing of the city's secret
• Humans rarely possess magic powers of their own
• One of the recurring characters is a detective or similar who gets caught up in a gang war between two factions and thus ends up finding out about the civilizations
• He has a bunch of short-lived romances

 

[BenJepheneT]

This reads like Slavic Magic Jack Reacher. Quote me if anyone finds this

 

[RepresentingWrath]

I want it, but I can't remember, so here's what I know, and thanks in advance.

• The original language is Russian
• It's set in Moscow or a similar, large city
• Hidden among ordinary humans live members of fallen civilizations
  • Something elf-like with different schools of magic
  • Others that I don't remember much about, except one posing as a company and another running a monastery
• Science elements, such as a sort of credit card that marks one as knowing of the city's secret
• Humans rarely possess magic powers of their own
• One of the recurring characters is a detective or similar who gets caught up in a gang war between two factions and thus ends up finding out about the civilizations
• He has a bunch of short-lived romances

I don't know much about Russian fantasy, but if it's a popular one and has a modern setting, it's probably written by Sergei Lukyanenko. I'm not sure, as I didn't read this cycle, but your description sounds somewhat similar to his Night Watch.

 

[Zirrboy]

I don't know much about Russian fantasy, but if it's a popular one and has a modern setting, it's probably written by Sergei Lukyanenko. I'm not sure, as I didn't read this cycle, but your description sounds somewhat similar to his Night Watch.

Thanks for the guess, but the description sounds a bit off.
Main issue being that the allegiance system mentioned almost certainly didn't exist in the books I'm looking for.

Anyway, much appreciated.

 

[Leti]

I want it, but I can't remember, so here's what I know, and thanks in advance.

• The original language is Russian
• It's set in Moscow or a similar, large city
• Hidden among ordinary humans live members of fallen civilizations
  • Something elf-like with different schools of magic
  • Others that I don't remember much about, except one posing as a company and another running a monastery
• Science elements, such as a sort of credit card that marks one as knowing of the city's secret
• Humans rarely possess magic powers of their own
• One of the recurring characters is a detective or similar who gets caught up in a gang war between two factions and thus ends up finding out about the civilizations
• He has a bunch of short-lived romances

The Stranger by Max Frei. But if you're looking for a series with similar premises to read, you can visit Author.today or Litnet.com and browse for any series under the Magical Detective Genre.

 

[MarekSusicky]

Night Watch

Yeah, I used to love his books, I haven't read much lately.

 

[Zirrboy]

The Stranger by Max Frei. But if you're looking for a series with similar premises to read, you can visit Author.today or Litnet.com and browse for any series under the Magical Detective Genre.

Sadly no. But the book itself seems interesting, so thank you!
Found it.
Secret City by Vadim Panov.

Thanks for the help!

 

[CupcakeNinja]

I want it, but I can't remember, so here's what I know, and thanks in advance.

• The original language is Russian
• It's set in Moscow or a similar, large city
• Hidden among ordinary humans live members of fallen civilizations
  • Something elf-like with different schools of magic
  • Others that I don't remember much about, except one posing as a company and another running a monastery
• Science elements, such as a sort of credit card that marks one as knowing of the city's secret
• Humans rarely possess magic powers of their own
• One of the recurring characters is a detective or similar who gets caught up in a gang war between two factions and thus ends up finding out about the civilizations
• He has a bunch of short-lived romances

That's definitely Secret City
EDIT: huh. Well nevermind then. Looks like you already found it