The April 2019 issue of Kodansha’s Monthly Shonen Sirius magazine has announced that Ryo Suzukaze and Satoshi Shiki’s Attack on Titan: Before the Fall manga will end in the next issue on March 26, 2019.
The manga adapts Suzukaze and character designer THORES Shibamoto’s novel series of the same name. The novels are a spin-off of Hajime Isayama’s Attack on Titan manga. Suzukaze and Shiki launched the manga in Monthly Shonen Sirius in 2013. Kodansha published the manga’s 16th volume in Japan on December 7, 2018.
Source: ANN