An original story based on Girls' Last Tour.
In the year 3230, the Ladder Nation finally collapses after both sides suffer devastating losses.
This is the end of human civilization, and the end of the world itself.
The great machines grind to a halt, and cities and nations fall asleep. There are no people in sight, and no animals have survived. All that remains are the ruins of war and a cold jungle of steel and concrete.
Kohler and Ying, scouts orphaned by the war, set foot in the territory of their former enemy, a country that no longer exists. They begin their final mission, which is to kill two wretched orphans who have suffered the same fate as they have...
Finding the enemy has become their only reason to keep living. During their long journey through the apocalypse, will they find the hope to live again?