The unknown, the forgotten. They are hunted, by The Corps. A group of people who will risk their life for the safety of humanity. A string of murders have been happening in a small town called Trost. The towns people think it's an animal, by the way the body's are ripped to shreds. Only The Corps think otherwise. But what happens when the murders are only the beginning to a never ending abyss..? >< A Riren (Ereri) Fanfiction.