Shonen Jump, a weekly manga magazine published by Shueisha, has been a major influence on the development of anime and manga culture in Japan, and has produced many popular anime series such as Dragon Ball, One Piece, and Naruto.

Osaka Castle is a famous landmark in Osaka and a popular tourist attraction, with a museum that showcases the history of the castle and the city.

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