All the stories are true... Everything we believed that did not exist; vampires, werewolves, faeries, angels, demons, ghosts, warlocks; just to name a few, did exist after all. Faeries are part angel, part demon. Warlocks are the offspring of humans and demons. Werewolves and vampires are humans who bear demon diseases. Just after graduating high school, Lee Y/N is thrilled of the opportunities before her. But what will be the consequences she will have to face when she finds out that she had entered a territory where no human soul has ever set foot on? Or was she the only one?