One year after the events of SAO, at the prompting of a government official investigating strange occurrences in VR, Kazuto takes on a job to investigate a series of murders involving another VRMMORPG called Gun Gale Online GGO , the AmuSphere the successor of the NerveGear , and a player called Death Gun.
An accident during this operation caused a large amount of bleeding and thus a blood transfusion was necessitated.
See also: Setting [ ] The light novel series spans several worlds, beginning with the game, Sword Art Online SAO , which is set in a world known as Aincrad.
The game follows an alternate storyline, in which a glitch causes Kirito and the other players to remain in Sword Art Online despite defeating Heathcliff, and players from other VMMORPGs such as Leafa and Sinon get sucked into the game themselves.
At the end of the special, the anime television series was confirmed for a second season, titled Sword Art Online II, which premiered on July 5, 2014.
Sword Art Online Arcade: Deep Explorer 2019• It was later revealed to be a new film titled , which is set to premiere in October 30, 2021.