Attack On Titan

Attack on Titan 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 27 tankōbon volumes as of December 2018. It is set in a world where humanity lives in cities surrounded by enormous walls protecting the humans from gigantic man-eating humanoids referred to as titans.