In a prolonged war between the Republic of San Magnolia and the Giadian Empire, autonomous drones called the Legion were initially used, making the conflict seem bloodless. However, the reality is that the Eighty-Sixth Sector, a forsaken land, lies beyond the Republic's fortified walls. The Eighty-Six, young men and women, pilot "unmanned" weapons into battle.

In the year 2148, Major Vladilena takes the reins of District 86, a post prev...