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.

Cherry blossoms, or sakura, are a national symbol of Japan and are celebrated each spring with picnics and festivals.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.