Passed down from generation to generation, they only deal in the business of dead people, but they are secretly engaged in the search and rescue industry, looking for the lives of the living, searching for the corpses of the dead, a bloodthirsty compass, and a thousand years of mysterious metaphysics. They are more traditional than search and rescue organizations, and more professional than the three religions and nine schools. This business that deals with life and death has revealed a mystery that has been unsolved for thousands of years...
