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 wood pigeon, also known as the "tekura," is a species of pigeon that is native to Japan's forests and is known for its distinctive cooing call.

Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.