Series by 西川秀明

In a far-flung future, humanity clashes with machine lifeforms in a cataclysmic war, leading to the activation of the emergency stop circuit "Z," which results in a star-shattering disaster. A millennium later, from a stone pillar, emerges a boy marked with the letter "Z," responding to a girl's desperate cry for help. This boy, Kaito, becomes "Z Man," a hero in a world where technology and nature are in constant conflict. With his unique powers, Kaito battles against the remnants of machine lifeforms while navigating the complexities of a society still reeling from its past. Through his adventures, Z Man explores themes of survival, identity, and the eternal struggle between man and machine.