Attack on Titan is a Japanese dark fantasy manga series written and illustrated by Hajime Isayama. The series began in Kodansha’s Bessatsu Shōnen Magazine on September 9, 2009.
It is set in a world where humanity lives inside cities surrounded by giant walls as a defense against the Titans, colossal creatures that eat humans. The story first starts centered around Eren Jeager, his adopted sister Mikasa Ackerman and childhood friend Armin Arlert. All three join the military to fight the Titans after their home town is invaded and Eren’s mother is eaten. However, as the story progresses and the truths about the Titans are slowly revealed, the main story focus shifts to center more around Historia Reiss, one of the top soldiers from the Survey Corps.
Written and illustrated by Hajime Isayama, Attack on Titan began serialization in Kodansha’s monthly publication Bessatsu Shōnen Magazine in its September 2009 issue. The chapters are collected and published into tankōbon volumes by Kodansha. As of November 2014, the manga had 45 million copies in print.
A light novel series titled Attack on Titan: Before the Fall, written by Ryō Suzukaze and illustrated by Thores Shibamoto. Its story is set before the events of the manga and it was published by Kodansha. While the first novel tells the story of Angel, the blacksmith who develops the first prototypes of the Vertical Maneuvering Equipment, the following two follow a young man who was found as a baby in the stomach of a Titan.
An anime television series adaptation produced by Wit Studio aired between April 6th, 2013 and September 28th, 2013, directed by Tetsurō Araki. Both Funimation and Crunchyroll cast the series on their websites, and Funimation began releasing the series on North American home video in 2014. The final episode was also aired in Japanese theaters.
There have been four video game adaptations of Attack on Titan developed by Nitroplus staffers in collaboration with Production I.G. Nitroplus clarified that the studio as a company is not involved in the Attack on Titan Blu-ray Disc games, while individual staffers are. The games are visual novels and were included in the first copies of the third and sixth Blu-ray Disc volumes of the anime. The games cover spin-off stories about the characters of Attack on Titan. Hajime Isayama himself is supervising the development of the games.
A live-action film was announced to be in production in October 2011. In December 2012, it was reported that Tetsuya Nakashima left his position as director of the live-action film. According to film distributor Toho, Nakashima had considerable creative differences on the scriptwriting and other matters.