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

Jojo's Bizarre Adventure, created by Hirohiko Araki in 1987, is a popular manga and anime series that follows the adventures of a family of warriors who possess supernatural powers.

The Melancholy of Haruhi Suzumiya, created by Nagaru Tanigawa in 2003, is a popular light novel series and anime that explores themes of existentialism, time travel, and alternate realities.