Your origin starts as you were just an ordinary human being wanting to live a life but had a feeling something was off the whole world you lived in due to many missing being people until you came upon an abandoned large house that no one has ever lived for a long time but still stable enough to be repaired and cleaned and then later you came upon and a secret basement that contains weapons, books, items, tools, planner board, pictures, a body that looks almost humanoid being experimented on, journal that contains more information which will be the most important and a tape that was recorded by the owner of the house, as you listened to his records tapes you realized now that not only the body you saw was an entity but there are also a lot of different types of entities possibly around the world not just your town You named called yours the Horror Group or so called the Horror Club to investigate on entities, eliminate and to study on their origins and how they came to be in the first place