In 2040, when the "Collapse Disaster" that occurred a few years ago engulfed the entire world, the deteriorating situation of survival-focused nationalism eventually ignited the spark of World War III. The ignited spark exploded the powder keg that had been dormant for a long time, causing the "Great Powers" of the world to collapse. A world where one must survive in this war-torn land by digging through the remnants of the "old era" once ruled by the 'Great Powers' and the technologies they had kept hidden. As the flames of World War III were dying down, the core of the East German Federation, the 'War Intelligence,' staged a rebellion and threatened the borders of Neo-Soviet Union. PMC Drake, composed of forcibly conscripted "Dolls" under the "Sentient Being Classification Policy," was engaged in a localized conflict against the War Intelligence's soldiers, the Aquila Exos...