The manga based on the light-novel series by Yuu Kamiya, creator of No Game, No Life—and now a brand-new hit anime series!Naoto’s a high school dropout and brilliant amateur tinkerer. He lives in a world that has been so over-exploited that the entire surface has become one vast machine. When a box crashes into his home containing a female automaton, it’s a harbinger of change that will rock the entire globe, and give Naoto his chance to be a hero.
Naoto and RyuZU have a tense encounter with Marie Bell Breguet and her bodyguard, Vainney Halter, but they form a shaky alliance with the shared goal of fixing the Core Tower in Kyoto. With the city's most important structure in disrepair, Kyoto's entire population is at risk, but Naoto believes he can save it before the city undergoes a Purge. This unstoppable team of renegades may be able to save millions of lives, but acting against government orders may spark a dangerous conflict. Is Naoto's group ready to face the consequences of disrupting the order of the world itself?