The Republic of San Magnolia has been engaged in conflict for years due to its neighboring Giadian Empire, which employs unmanned drones called the Legion. After extensive research, the Republic developed their own autonomous drones, turning a one-sided struggle into an ultimately bloodless war. However, this portrayal is deceptive; beyond the fortified walls of the eighty-five Republic territories lies the "nonexistent" Eighty-Sixth Sector. The young men and women in this forsaken land are branded as the Eighty-Six and are tasked with piloting "unmanned" weapons into battle. Shinn commands a detachment of Eighty-Sixers known as the "Spearhead," while Lena, their handler, operates from the remote rear using special communication. The story of these two begins on the battlefield, highlighting the severe and tragic struggles they face in this conflict.
In the year 2148, Major Vladilena takes charge of District 86, a post previou...