Japan is an island nation located in East Asia, consisting of four main islands and numerous smaller islands.

Judo, a martial art that emphasizes throws and grappling techniques, was developed in Japan in the late 19th century and has become a popular sport around the world.

Sailor Moon, created by Naoko Takeuchi in 1991, is a popular anime series that follows the adventures of a teenage girl who transforms into a magical warrior to fight evil.