Attack on Titan was serialized in Kodansha's monthly shōnen manga magazine. It is set in a world where humanity is forced to live in cities surrounded by three enormous walls. The story follows Eren Yeager, who vows to exterminate the Titans after they bring about the destruction of his hometown.
See also: Attack on Titan (TV series), List of Attack on Titan episodes, Attack on Titan (season 4), Attack on Titan (film), Attack on Titan (season 3), and List of Attack on Titan characters.