A year after Kazuto and Asuna escaped from Aincrad, the deadly setting ofSword Art Online, they're still coping with the aftermath as they try torecover from the harrowing experience. Meanwhile, there's a new VRMMO gamesweeping the world's gamers--Gun Gale Online. When a mysterious player whocalls himself "Death Gun" claims to be responsible for real-world deaths,Kazuto (aka Kirito) is recruited to enter the game to investigate, bringingan end to his hard-won peace!