On earth, people only think that they are the only advanced creatures. However, a scream broke the so-called eternity. People know that there are other intelligent creatures on earth. Vampires, demons, demons, ghosts, werewolves, aliens... They want to take the place of humans. In front of humans who have nothing, they appear to be extremely powerful. In order to prevent these creatures from wreaking havoc, humans have an organization to deal with these creatures. This organization instantly stood at the top of mankind. Hundreds of years have passed, and the world has become a deformed balance.
Intention: People do not dominate everything