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.

The Japanese flying squirrel is a small arboreal mammal that is native to Japan's forests and is known for its gliding ability.

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