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 Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

Baseball is one of the most popular sports in Japan, and the country has a professional baseball league with 12 teams.