Kenichi (Ken) Usagi, journalist turned war correspondent, desperately misses the days before the apocalypse. In the middle of the battlefield that was the United States, he has a terrifying encounter with a biomechanical figure he'd never encountered before. But as shaken as he is by the experience, he realizes this new tech could hold the secret to saving his world. He sets out with a pair of friends across the war-ravaged land,...