The story of NieR: Automata is a multi-layered existential epic set in the year 11945, thousands of years after humans fled to the Moon to escape an invading machine army from another world. You follow the journey of YoRHa androids—soldiers created by humanity to reclaim Earth.
The story begins with , a stoic combat android, and 9S , an inquisitive scanner android, as they carry out missions for the Council of Humanity. They discover that the "mindless" machines on Earth are beginning to exhibit human emotions, culture, and even pacifism. The journey culminates in a battle against Adam and Eve, twin machines who evolved to look human. After defeating them, 2B is forced to kill a corrupted 9S, though his consciousness survives by uploading to a nearby machine. Route B: The Seeker's Truth
begins to understand the machines' perspective through 2B’s memories.The story ends with a choice between 9S and A2, leading to different tragic conclusions for the characters. Route E: The [E]nd of YoRHa