Sword Art Online: Project Alicization, Vol. 3 (manga)

A year after Kazuto and Asuna escaped from Aincrad, the deadly setting ofSword ArtOnline, they're still coping with the aftermath as they try torecover from theharrowing experience. Meanwhile, there's a new VRMMO gamesweeping the world'sgamers--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 enterthe game to investigate, bringingan end to his hard-won peace!