.hack//G.U. The World

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... (Source: Tokyopop)

In .hack//Legend of the Twilight, Shugo and Rena were given the avatars of the famous dot hackers, Kite and BlackRose... Now learn how their legend was born! While playing in The World,the most successful online game in history, a young boy suddenly loses consciousness and falls into a coma after taking a blow to protect his friend Kite from the deadly beams of a strange monster. To save his fallen friend, Kite must log back into this most dangerous game and begin to unravel the mysteries behind his friend's affliction. But understanding the true power of The World may prove as dangerous as it is crucial! (Source: Tokyopop)

.hack//Alcor: Hagun no Jokyoku takes place in the online game "The World." Nanase is a shy and naive girl belonging to the newbie helping guild "Canard." All she wants is to be with Silabus, the guild master whom she has deep admiration for. However, when the guild members are targeted by player killers (or PKs) from the guild Kestrel, will Nanase be able to brave the situation? (Source: MU)

It follows the traditional 4koma with non-canon meetings between characters from both universes. The first few comics have mostly .hack//Games humor, but the majority explore the idea of inserting Kite and his friends into the .hack//G.U. storyline. Most of the humor comes from Kite's altered personality or the exaggerated personalities of other characters, mainly Atoli. (Source: dothack.wikia)

Raid, a newbie Edge Punisher in The World R:2 decides to sell all of his gear and items in order to buy a rare sword. Unfortunately the sword draws the attention of a group of PKers who decide to kill him and steal the sword for themselves. Dead, naked, and penniless it seems that it's all over for Raid, when he is suddenly saved by a group of players from the Seventh Division of the guild Moon Tree. (Source: .hack//wiki)

The main premise of the story covers the happenings that Midori and Adamas witness and experience in The World R:2, an extremely popular MMORPG that is a new version of the original game, The World. Midori meets numerous characters from .hack//Roots (most notably Haseo,) and .hack//G.U. (such as Silabus and Gaspard.) The main plot centers around Midori selling herself out to would-be PKers, and some real-world events that center around the girl who also bears the name Midori who is in a coma. (Source: Wikipedia)