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 karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.
Tokyo Tower is a popular tourist attraction in Tokyo that offers panoramic views of the city and is modeled after the Eiffel Tower in Paris.
