The Japan Self-Defense Forces (自衛隊 Jieitai ) are the unified military forces of Japan.
Since the Burst in 2035, the JSDF in cooperation with the Control Agency of Artificial Creatures established a quarantine around the Kurobe River to prevent the spread of the Malignant Matter. Whenever the Matter would appear active near the border, the JSDF stationed at Camp Toyama would launch a barrage of explosives and tranquilizers in an attempt to quell the Matter.