The Japanese yen is the official currency of Japan and is the third most traded currency in the world, after the US dollar and the euro.

Sumo wrestling is a popular traditional sport in Japan, with tournaments held six times a year.

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.