<Li> Attack on Titan 2 </Li> <Tr> <Td_colspan="2"> Anime and Manga portal </Td> </Tr> <P> Attack on Titan (Japanese: 進撃 の 巨人, Hepburn: Shingeki no Kyojin, lit . "Advancing Giant") is a Japanese manga series written and illustrated by Hajime Isayama . The series began in Kodansha's Bessatsu Shōnen Magazine on September 9, 2009, and has been collected into 26 tankōbon volumes as of August 2018 . It is set in a world where humanity lives in cities surrounded by enormous walls protecting the humans from gigantic humanoids that are referred to as titans . The titans vary in height and endlessly eat humans seemingly without reason . The story initially centers on Eren Yeager and his childhood friends Mikasa Ackerman and Armin Arlert, who join the military to fight the titans after their hometown is invaded and a titan eats Eren's mother, whom he swears to avenge . As the story progresses and the truths about the titans are slowly revealed to the reader, the narrative shifts to encompass Historia Reiss, squad leader Levi, Eren's father Grisha, and other supporting characters . </P> <P> The spin - off light novel series Before the Fall began in December 2011 and has received a manga adaptation . Two additional light novel series and four additional spin - off manga series have also been created . An anime television adaptation was produced by Wit Studio and Production I.G and aired in Japan on MBS . The first season aired between April and September 2013, the second season aired between April and June 2017, and a third season commenced broadcast in July 2018 . Four video game adaptations developed by Nitroplus staffers in collaboration with Production I.G were announced to be released as bonus content for the third and sixth volumes of the Blu - ray Disc release of the anime, with another game developed by Spike Chunsoft for the Nintendo 3DS . A two - part live - action film adaptation, Attack on Titan and Attack on Titan: End of the World, and a live - action web - series were released in 2015 . An anime adaptation of the Junior High spin - off manga, produced by Production I.G, began airing in October 2015 . Attack on Titan and all five spin - off manga are published in North America by Kodansha USA, while the three novel series are published by Vertical . The anime has been licensed by Funimation for North America, by Manga Entertainment for the UK, and by Madman Entertainment for Australasia . </P>

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