Attack on Titan (Nero Spartacus)

The world is filled with horrific man eating monsters known as the Titans. Humanity now takes the upfront lines and combat the giant beings in order to ensure and earn their freedom. Of the story tells the three kids who grow up to find their true purpose, but one was also among that group. This tells the story of Nero, who finds his purpose after the fateful attack on Shiganshina.

Attack on Titan belongs to Hajime Isayama.