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 is a brilliant amateur mechanic who spends his days tinkering with gears and inventions. And the world is a playground - a massive, intricate machine. But his quiet life is disrupted when a box containing an automaton in the shape of a girl crashes into his home. Could this be an omen of a breakdown in Naoto's delicate clockwork planet? And is this his chance to become a hero?