Sword Art Online Alternative Gun Gale Online (GGO) (Dengeki Bunko Series) is a spin-off of Reki Kawahara's original work: Sword Art Online (SAO) (Dengeki Bunko Series). The series' universe exists in the same world as the VRMMO (Gun Gale Online) where Kirito and Shinon met in SAO's second season: Sword Art Online II. Featuring a cast of charcters created by renowned writer Keiichi Sigsawa from Kino's Journey - the Beautiful World - (Dengeki Bunko Series), GGO is chock full of heart-racing battle scenes and dynamic firearm action that only the avid gun and military fanatic Sigsawa can deliver.

For character concept, Sigsawa is teaming up again with illustrator Kouhaku Kuroboshi from numerous popular anime projects including World Conquest Zvezda Plot and Kino's Journey. Heading the animation production is the prestigious Studio 3Hz, who's work on Flip Flappers and Princess Principal received much acclaim.

The newest expansion into the SAO universe and the most talked about shared world entertainment's TV anime series begins April 2018!