The story focuses on a player named Haseo who hunts a player nicknamed Tri-Edge who defeated his friend Shino and left her in a coma in real life. Haseo comes into contact with other players who know of Tri-Edge and wish to stop him. The reason for...
Haseo starts playing and experiences PKers (Player Killers). After they kill him, Ovan revives him. Then almost all the players in The World start asking him about Ovan.
Haseo wants to learn more about Ovan's mysterious guild. At the end of the episode, he meets Ovan by a portal. Ovan asks Haseo to join his guild. Haseo responds by saying, "I'll think about it." and then walks away. After this, Phyllo, on his usual bridge, turns around and begins talking to Naobi, stating that it is a rare thing for him to come to town.
Haseo is targeted by many players who think of him as a legend because someone is spreading rumors about him. He is then invited to join the Twilight Brigade as well as the trading guild TaN. After spending some time with Shino, Haseo makes his decision to join the Twilight Brigade.
Shino takes Haseo to another Lost Ground, and later to level up. Sakisaka gets suspicious about why Haseo joined and why he talked to Gord about the guild. Later Tabby gets PK'd by Ender.
Tabby starts believing Haseo is a messenger for TaN, causing Haseo to leave the Twilight Brigade. Haseo is then seen by Tabby and Shino talking to a TaN member who called him.
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During a meteor shower, Sakisaka's loyalty is put into question, as Ender attacks Tabby and him. The game experiences glitches, and Haseo displays a new ability when he arrives to help.
While investigating the Lost Grounds, Haseo experiences a major glitch in The World. Also, we learn more about the Virus Cores. On a team search with Tabby and Sakisaka, they find common marks in the Lost Grounds, where they had found virus cores. Haseo notices something weird about the lines, and the three mysteriouly vanish.
Haseo, Tabby, and Sakisaka find out the lines they found are portals. Continuing their search of the Lost Grounds, Tabby and Sakisaka encounter a glitch, while Haseo is confronted by Ender. Haseo notices the multiple colors of the Virus Cores, in comparison to the pillars from one of the Lost Grounds. This news comes as a breakthrough to the Key of the Twilight. Haseo then finds another Virus Core.
The Twilight Brigade attempts to bring together all of the Virus Cores. Sakisaka is given the last Core by Tawaraya, while Gord and B-Set show up to help the Twilight Brigade as they are being attacked by TaN. The Twilight Brigade people are then transported to an unknown location, so Ender and her TaN subordinates follow to see where the Twilight Brigade people have disappeared to. (Known as "Melee" in North America.)
The Twilight Brigade fights TaN members while Ovan goes to find the Key of the Twilight. Passing through a door, Ovan steps into a trap (knowingly, we find out later) set by Naobi and the rest of TaN. Later, Shino threatens TaN by saying that she will leak certain illegal online activities, if Ovan wasn't returned. TaN then disbands, after they have decided that they would rather keep Ovan. So, Ovan is left captive, with his PC data being read by Naobi.
Gord is thinking of quitting the game. Because Shino gave the administrators the evidence of TaN's illegal activities, several TaN members are banned.
