Attack on Titan, Volume 14 of 34 (by Hajime Isayama)

(W) Isayama Hajime (A/CA) Isayama Hajime
What's left of humanity lives in fear of their lives in this exciting, terrifying new manga that's a number one bestseller in Japan. Humankind is down to just a few thousand people who live in a city surrounded by three concentric walls. The walls protect them from their enemies, the ravenous giants known as the Titans. The Titans appear to have only one purpose: to consume humanity.