Sequel to Sword Art Online:The beginning. A year has passed since the SAO incident happens. Various other VR worlds were created because of the seed Akihiko Kayaba the creator of SAO gave to Kirito. Now a new world called Gun Gale Online appears by the American creators. A blue sniper takes a fancy to the world. But a new case of murders are happening slowly by a player called Death Gun. Can Kirito and Sinon figure out all that happens before it's too late?