Tokyo is the capital of Japan and the largest city in the world by population, with over 37 million people in the greater Tokyo area.

Sword Art Online, created by Reki Kawahara in 2009, is a popular anime and light novel series that takes place in a virtual reality MMORPG world.

The Japanese serow is a goat-antelope native to Japan's mountainous regions, and is considered a national treasure in Japan.