Japan's isolationist policy during the Edo period limited contact with the outside world but allowed for the development of unique cultural practices and traditions.

Sumo wrestling is a traditional Japanese sport that has been practiced for over 1,500 years and is still popular today.

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.