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.
Sumo wrestling is a popular traditional sport in Japan, with tournaments held six times a year.
The 1995 Tokyo subway sarin gas attack by the Aum Shinrikyo cult shocked Japan and led to increased scrutiny of religious groups.