A year after escaping Sword Art Online, Kazuto Kirigaya has been settling back into the real world. However, his peace is short-lived as a new incident occurs in a game called Gun Gale Online, where a player by the name of Death Gun appears to be killing people in the real world by shooting them in-game. Approached by officials to assist in investigating the murders, Kazuto assumes his persona of Kirito once again and logs into Gun Gale Online, intent on stopping the killer. Once inside, Kirito meets Sinon, a highly skilled sniper afflicted by a traumatic past. She is soon dragged in his chase after Death Gun, and together they enter the Bullet of Bullets, a tournament where their target is sure to appear. Uncertain of Death Gun's real powers, Kirito and Sinon race to stop him before he has the chance to claim another life. Not everything goes smoothly, however, as scars from the past impede their progress. In a high-stakes game where the next victim could easily be one of them, Kirito puts his life on the line in the virtual world once more.

Every day, Naoto Hachiouji is teased relentlessly by Hayase Nagatoro, a first year student he meets one day in the library while working on his manga. After reading his story and seeing his awkward demeanor, she decides from that moment on to toy with him, even calling him Senpai in lieu of using his real name. At first, Nagatoro's relentless antics are more bothersome than anything and leave him feeling embarrassed, as he is forced to cater to her whims. However, as they spend more time together, a strange sort of friendship develops between them, and Naoto finds that life with Nagatoro can even be fun. But one thing's for sure: his days will never be dull again.

On the planet Noman's Land, reporters Meryl Stryfe and Roberto De Niro traverse the desert in search of the infamous outlaw Vash the Stampede. But the man they find near the desolate town of Jeneora Rock is a far cry from the lethal terrorist they expect. In reality, Vash is a passive and carefree drifter; he is a proponent of peace, beloved by the residents of the town. His inaccurate reputation actually stems from the widespread atrocities committed by his twin brother Knives Millions. Still, Vash is dubbed The Humanoid Typhoon'' due to the tendency for violent chaos to follow in his wake. Chaos soon arrives in the form of bounty hunters seeking the high price on Vash's head, and their violent pursuit poses great danger to the town and its precious power plant. Thanks to his gunslinging prowess, Vash is able to resist most of these nefarious forces. Yet he must soon face off against the ultimate evil: the unstoppable destructive power of his malevolent brother.

While at school, Mai Taniyama and her friends like to exchange ghost stories. Apparently, there is an abandoned school building on their campus that is the center of many ghost stories. During the story, they are interrupted by a mysterious male figure. The person turns out to be Kazuya Shibuya, a 17-year-old who is president of the Shibuya Psychic Research Company. He was called by the principal to investigate the stories surrounding the abandoned school building. The next day, on the way to school, Mai passes the school building in question. While examining a strange camera she spotted inside, she gets surprised by Kazuya's assistant. Unknowingly interfering with the investigation, Mai breaks the camera and Kazuya's assistant gets injured. Kazuya forcefully hires Mai in order to pay for the camera and replace his injured assistant. From that point on, Mai begins to learn about the paranormal world and the profession of ghost hunting.