After saving Shino from AIDA and Ovan, Haseo decides he's done with The World...until he receives a letter from Aina, Ovan's little sister and the first of the Lose Ones. Looks like Haseo has one job to do before he can leave this battleground forever!...

It is the year 2017, and the stakes have gotten even higher in the massively multiplayer online game The World--now The World R:2, a dangerous place overrun by player killers, where lawlessness abounds. The PKK Haseo, known as "The Terror of Death," is a fearsome foe who punishes those who want to slay other players. But things have gotten personal as Haseo tries to track down the killer Tri-Edge, who has threatened the real life of his friend Shino......

In The World of .hack//G.U.+, the adventure continues in a web of treachery as secrets begins to unravel... Haseo's Avatar, Skeith, awakens to combat Endrance's Macha in a fierce battle. As more information surfaces concerning the AIDA (Artificially Intelligent Data Anomaly) menace and the power of the Epitaphs, Haseo finds himself in a battle against time--he must stop the rogue player killer Tri-Edge before any more of the people he knows become Lost Ones. The clock is ticking as The World faces crisis in the form of the largest-scale AIDA attack ever!...