YoRHa No.2 Type-B, generally known simply as 2B, is one of the main protagonists and player characters of the video game NieR: Automata as well in the anime adaptation NieR: Automata Ver1.1a, She is a female android created by an organization known as YoRHa who was sent to earth to fight against the robotic lifeforms known as the Machines who have invaded Earth and drove humanity off of the planet.