Attack on Titan, created by Hajime Isayama in 2009, is a popular anime and manga series that takes place in a world where humanity lives in fear of giant humanoid creatures known as Titans.

Sapporo is the largest city on Japan's northern island of Hokkaido, and is known for its winter sports and beer.

In the 12th century, the samurai class emerged in Japan, with warriors serving as protectors for the aristocracy.