Animated adaptation of NieR: Automata (2017), where a long-running war on post-apocalyptic Earth between androids and machines soon unveils the truth of the world.

In 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 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 a new 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.