あらすじ
The year is 2050. A young engineer named Derrida Yvain became famous thanks to his contribution to the development of the "Autonomous Machine DZ" at Rebuild, the manufacturing company founded by his father. One day, Derrida and his colleague Nathan discover a flaw in the DZs and try to warn their boss, but are ignored. Although Derrida and Nathan are aware of the danger, they reluctantly decide to put off taking any measures, and instead go to Nathan's daughter Mage's birthday party. The next day, after enjoying a peaceful day, Derrida and Nathan are suddenly attacked by unknown forces.
あらすじはAniListより（英語）。
