Sword Art Online (ソードアート・オンライン Sōdo Āto Onrain) is a Japanese light novel series written by Reki Kawahara and illustrated by abec. The series takes place in the near-future and focuses on various virtual reality MMORPG worlds. The light novels began publication on ASCII Media Works' Dengeki Bunko label from April 10, 2009, with a spin-off series launching in October 2012, and are licensed in North America by Yen Press. The series has spawned five manga adaptations. A television anime series produced by A-1 Pictures aired in Japan between July and December 2012. The anime has been licensed in North America by Aniplex of America and an English-language version began airing on Adult Swim's Toonami programming block on July 27, 2013. An Extra Edition episode aired on December 31, 2013, and a second anime series, titled Sword Art Online II, will begin airing in 2014. A video game based on the series was released on PlayStation Portable in March 2013, with a second game for PlayStation Vita to be released in April 2014. The novels and two of the manga adaptations have been licensed for release by Yen Press.