Trouble is in brewing in the VRMMO, Gun Gale Online as there have reports of people dying in the real world while simultaneously dying in the game. Kikuoka Seijirou a member of Japan’s virtual division looks to Kirito for help with the Death Gun investigation. Our hero Kirito makes his return to the virtual world with the purpose of tracking down a nefarious villain believed to be related to the killings a players known as Death Gun.
Kirito learns the ropes of Gun Gale by befriending a sniper named Sinon. Kirito’s new bespectacled partner whose cool and calm demeanor is shaken when a menace comes back to haunt her.