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

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

Death Note, created by Tsugumi Ohba and Takeshi Obata in 2003, is a popular manga and anime series that follows a high school student who gains the power to kill anyone whose name he writes in a special notebook.