In 2050, an engineer named derrida yvain gained recognition due to his work on the "autonomous machine dz" at rebuild, a company founded by his father. along with his colleague nathan, he discovered a flaw in the machines and tried to warn their boss, but were ignored. despite being aware of the danger, they decided to postpone taking any action and went to nathan's daughter mage's birthday party instead. the next day, derrida and nathan were attacked by unknown forces and fell into a cold sleep machine. ten years later, derrida woke up in a devastated world at war. while being attacked by out-of-control machines, he remembered nathan's last words: "take care of mage." despite the harsh fate that had befallen him, derrida set off to seek mage.
The daughter of Nathan, a close friend to Derrida. She is very wise and has a strong sense of purpose. She respects her fathers work....
A childhood friend of Mages since she was little. She has a bright personality and her hobby is photography....
The son of Jacques Yvain, the founder of Rebuild. He works as an engineer for the company....
A worker at Rebuild, and a superior to Derrida and Nathan. He works to kill Derrida and Nathan for learning the secret of the Autonomous Machine DZ....
Derridas father and the founder of Rebuild. He is an engineer, and the true creator of the Autonomous Machine DZ....
A contractor for the Destruct company. He saves Derrida from the attack on the Autonomous Machine DZ....
A contractor for the Destruct company. She works as an assassin. She is sent to assassinate Derrida at Andreis request....