Bessatsu Shōnen Magazine
A chibi parody spin-off based on the series, titled and written by Saki Nakagawa, began serialization in "Bessatsu Shōnen Magazine" May 2012 issue. It follows the main characters as they battle the Titans while in junior high school. Another manga series based on the prequel light novels ' started running in Kodansha's "Monthly Shōnen Sirius" from August 2013, drawn by Satoshi Shiki. An additional spin-off based on the "No Regrets" visual novel was serialized in the shōjo manga magazine "Aria", titled . It was written by Gun Snark and illustrated by Hikaru Suruga. It focuses on the origins of Captain Levi, one of the most prominent characters in the main series. A yonkoma spin-off, called and drawn by Hounori, was released on Kodansha's Manga Box smartphone and tablet application from December 2013 to December 30, 2014, in both Japanese and English. A manga adaptation of Hiroshi Seko's ' novel, written and illustrated by Ryōsuke Fuji, began publication in "Bessatsu Shōnen Magazine" on August 9, 2015.