The distant future, 5012.
The sudden aerial invasion of Earth by＜ Aliens ＞ and their creations ＜Machine Lifeforms＞ led mankind to the brink of extinction. The surviving number of humans who took refuge on the moon to organize a counterattack using ＜android＞ soldiers to recapture Earth.
However, the war reaches a stalemate as the ＜Machine Lifeforms＞ continue to multiply infinitely. In turn, humanity deploys anew unit of android soldiers as an ultimate weapon: ＜YoRHa＞
Newly dispatched to Earth ＜2B＞ joins ＜9S＞, the analyst currently stationed there, where amid their mission, they encounter a myriad of mysterious phenomena...
This is the story of these lifeless ＜androids＞ and their endless fight for the sake of mankind.
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