Tsukasa wakes up in an MMORPG called The World, with slight amnesia. Unable to log out from the game, he wanders around looking for answers, avoiding the knights and other players he meets along the way. Subaru, the leader of the Crimson Knights, along with several other players who became acquainted with Tsukasa, set out to investigate why Tsukasa is unable to log out, and attempt to get to the bottom of the problem before it gets out of hand.

Rena is trapped in a strange area and cut off from the rest of the world! A wandering Al, a non-player that has gained consciousness, has Shugo making a choice, save his sister or save 'The World' and everyone in it!

Sato's life is going down the drain. He's dropped out of college, only goes outside once a week, and sleeps sixteen hours a day. Surviving on a steady diet of internet porn sites, he finds himself falling further into a pit of despair. Then he has a sudden epiphany. Sato decides that the sinister broadcast company known as 'The NHK' is trying to transform their viewers into jobless, societal recluses, and they bombard them with images of cutesy anime...

Young computer genius David Lightman breaks into the Defense Department's war computer, but what he thinks is a game just may start World War III.