Supernatural Detective Casebook

Japanese light novel + supernatural fighting + suspense + weapon fighting (no cheats!!! No system!!! Not invincible!!!) Vampires, werewolves, mermaids... Since the Stone Age, human beings have lived on the same land with various races. These races have powerful powers such as ascending to heaven and earth, controlling wind and rain, and so on. Because their power is so powerful that it makes people feel like they are in a fantasy society of the Gods, they are collectively called fantasy species, or simply called fantasy species. Of course, since ancient times, humans have been able to live in peace with the phantom species for more than 10,000 years. It is definitely not the result of the phantom species being compassionate or indifferent to the world. Responsible for secretly coordinating the relationship between humans and phantom species, and at the same time eliminating evidence of the existence of phantom species in the world to maintain the normal operation of human society. Such an organization is called the Border Guard. On the eve of the dinner of the century between the Queen of England and the fantasy nobles, Jack the Ripper reappears in London. Detective Yassen, a member of the Border Guard, is responsible for tracking Jack the Ripper. What kind of dangerous conspiracy is hidden behind the mysterious headless corpse case? What kind of waves will the meeting of the Chinese brother and sister, the detective and the queen stir up? When the murderer attacks with werewolf techniques, can you tell whether your best friend is really still your best friend? When guns, swords and magic collide, which one is better?