(W/A/CA) Isayama Hajime. Whats left of humanity lives in fear for their lives in this exciting, terrifying manga thats a number one bestseller in the U.S. and Japan. Humankind is down to just a few thousand people who live inside three concentric walls that protect them from the ravenous, giant Titans. The Titans appear to have only one purpose: to consume humanity. Volume 17 is also available with a Special DVD Edition, with a DVD of 'Ilse's Notebook,' a side story animated by the studio behind the Attack on Titan anime that isn't available anywhere else!