One year after the SAO incident, Kirito is approached by Seijiro Kikuoka from Japan's Ministry of Internal Affairs and Communications Department "VR Division" with a rather peculiar request.

That was an investigation on the "Death Gun" incident that occurred in the gun and steel filled VRMMO called Gun Gale Online (GGO). "Players who are shot by a mysterious avatar with a jet black gun lose their lives even in the real world..." Failing to turn down Kikuoka's bizarre request, Kirito logs in to GGO even though he is not completely convinced that the virtual world could physically affect the real world.<br>
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Kirito wanders in an unfamiliar world in order to gain any clues about the "Death Gun." Then, a female sniper named Sinon who owns a gigantic "Hecate II" rifle extends Kirito a helping hand. With Sinon's help, Kirito decides to enter the "Bullet of Bullets," a large tournament to choose the most powerful gunner within the realm of GGO, in hopes to become the target of the "Death Gun" and make direct contact with the mysterious avatar.<br>
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(Source: Crunchyroll)

Episode 1 - The World of Swords

Episode 2 - Beater

Episode 3 - Red Nosed Reindeer

Episode 4 - The Black Swordsman

Episode 5 - A Crime Within the Walls

Episode 6 - Illusionary Avenger

Episode 7 - The Temperature of the Heart

Episode 8 - The Sword Dance of White and Black

Episode 9 - The Blue-Eyed Demon

Episode 10 - Crimson Killing Intent

Episode 11 - The Girl of Morning Dew

Episode 12 - Yui's Heart

Episode 13 - Edge of Hell's Abyss

Episode 14 - The End of the World

Episode 15 - Return

Episode 16 - Land of the Fairies

Episode 17 - Captive Queen

Episode 18 - To the World Tree

Episode 19 - The Lugru Corridor

Episode 20 - General of the Blazing Flame

Episode 21 - The Truth of ALfheim

Episode 22 - Grand Quest

Episode 23 - Bonds

Episode 24 - Gilded Hero

Episode 25 - The World Seed

Aniplex

A-1 Pictures

Genco

DAX Production

Aniplex of America

ASCII Media Works

Sword Art Online II