Crusade Corps

The Crusade Corps (踏査軍 (クルーセード·コー), Kurūsēdo Kō; Japanese for "Survey Campaign") is an organization of and  of the  that is devoted to the hunting of  on the outskirts of their governing regions. It is their mission to expand the influence of the West Branch toward territories that are under siege by supernatural threats.

Behind the Scenes
The idea behind the Crusade Corps is to emphasize the difference in mentality between the West and the East. While isolation is a prominent aspect of Japanese culture, which is seen in the manner that the conducts itself, expansion is historically attributed to European culture.