YoRHa No.2 Type B, commonly referred to as 2B, is the main protagonist of NieR:Automata, a popular action role-playing game developed by PlatinumGames and published by Square Enix. 2B is an android created by the YoRHa organization to battle against machine lifeforms that have taken over Earth. She is characterized by her calm demeanor, combat prowess, and unwavering dedication to her mission. Throughout the game, 2B's interactions with her fellow androids, especially 9S, lead her to question the nature of her existence and the true purpose of her mission. Her journey is central to the game's exploration of themes such as identity, consciousness, and the meaning of life.