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.

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.

Japan has a trend called "forest bathing" where people go into the woods to de-stress and improve their health.