Sword Art Online: Phantom Bullet

A year after escaping Aincrad, Kazuto and Asuna continue to deal with the lingering effects of their traumatic experience. A new virtual reality game, Gun Gale Online, gains global popularity. A player known as "Death Gun" is linked to real-world deaths, prompting Kazuto, also known as Kirito, to be asked to join the game and look into the situation, disrupting his recent sense of stability.