Alcor focuses on a Twin Blade named Nanase who falls in love with Silabus. Wanting to spend more time with him, Nanase joins Canard, but joy quickly turns to jealousy when she witnesses just how much Silabus is beholden to Alkaid, who has just become the new Emperor of the Demon Palace Arena. Thus begins Nanase's quest to better Alkaid in the hopes that Silabus will finally notice her...

In the seven years since the events of the original series, Altimit OS been replaced by Altimit Mine OS and The World has become The World R:2, a dangerous game overrun by player killers and where lawlessness abounds. Follow Haseo as he chases Tri-Edge and gets involved with Project G.U. and mysterious SIDA who plague The World R:2!

Haseo's Avatar, Skeith, awakens to combat Endrance's Macha in fierce battle. As more information surfaces concerning the AIDA (Artifically Intelligent Data Anomoly) menace and the power of the Epitaphs, Haseo finds himself in a battle against time to stop the rogue player killer Tri-Edge before any more of the people he knows become Lost Ones.

With the members of G.U. now dropping like flies, Haseo receives a message that the enigmatic Tri-Edge has appeared once more at the cathedral. There await all the answers to Shino, Tri-Edge, and the current state of The World itself!

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 Lost Ones. Left with no choice, Haseo must embark on one final mission to save those thought lost forever. With a new Head of G.U. on the offensive, Haseo must turn to unexpected allies to complete this daring mission that will change the face of The World forever!

The climactic and final volume has finally arrived! Haseo and the rest of the team manage to escape the now-ascended false god, Kazumi. However, shortly after his rise, Kazumi falls victim to The World's greatest threat yet: Cubia. Now absorbed into Cubia, Kazmumi merely seeks power as he begins the worst network crisis the planet has ever faced.

Old-fashioned role-playing games experience a renaissance on the World Wide Web. Twins Rena and Shugo are two middle school students who enter "The World." When Shugo's character dies he is transported to another level, he is entrusted to bear the Twilight Bracelet by the mysterious Aura. Shugo must find out who Aura is and why she gave him this powerful weapon.

Rena and Shugo entered The World with dreams of becoming legends. Those dreams have quickly drifted into the twilight now that they're in prison! As the controversy surrounding Shugo's bracelet shifts into overdrive, will our heroes be deleted... or is it end of The World as we know it?

Welcome to The World, the most advanced online game ever created. In The World you can be anyone you want to be, act out your adventure fantasies and through teamwork and determination, you can even become a hero. Fourteen-year-old twins Shugo and Rena just won a contest that let's them play as legendary .hackers avatars Kite and Black Rose, and now they're ready to take on anything - or so they think...

See the events within The World from the protagonist Kite's point of view as he searches for a cure for the comatose Orca. Deviating from the original .hack story, XXXX includes incidents such as Aura defeating Tarvos on her own and Cubia having a human avatar!

As the link between the power of Kite's bracelet and the incidents on- and off-line grow, Kite must decide who - and what - he can really trust in The World. The final showdown with the Phases and the secrets of Aura and her bracelet are revealed in this final volume!