The Era of Controlling Ghosts

This is an age of ghosts. Zombies, hanged ghosts, and night crows from the East, vampires, werewolves, headless horsemen, zombies from the West... Can be seen everywhere. People had no choice but to build strong city fortresses one after another. The only way to survive in this world is to sign a contract with ghosts at the age of twelve and nourish them with your soul... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.