Sword Art Online is ... In 2022, a completely virtual world MMORPG started, and the protagonists dive into that world, but they are trapped in the world and become bedridden in reality. They get released by clearing the game, and then dive into various other VR MMORPG worlds. In 2002, the author wrote and posted on his website. Published in 2009, currently continues publication. In 2012-14, 18, 19 TV animation onaired. 22 million copies were published in the world. The best-selling light novel since 2015. The author, Reki Kawahara, also writes "Axel World." (estrenada en 2002).