Meet Shugo and Rena, twins who win a contest and enter The World as legendary hacker characters. Shugo is defeated by an unexpectedly powerful monster, which leads to his resurrection by a mysterious woman.
Shugo, Rena, and their new sidekick Mireille, are delighted to attend Balmung's cherry blossom party. But once a monster appears, Shugo must rely on a furry friend for help in battle.
Shugo meets Hotaru, another player whose sick Grunty can only be cured with an item located in a dangerous part of The World.
Sanjuro begins to train Shugo, and Rena is selected to play the damsel in distress in an event that can make wishes come true.
Rena falls into a trap that was intended for Shugo and her disappearance freaks out the gang.
A strange message leads Rena's search party to a dangerous location. Then they're caught off guard by heartbreaking news.
Rena remains in a comatose state and is unable to log out of The World. Balmung reveals that she isn't the first user to end up like this.
Balmung is no longer an administrator, and Aura helps Rena contact Shugo.
Shugo uses his new powers to reach Rena. The two are almost united, but a rogue AI complicates the situation.
Shugo continues his training with the group, and their teamwork is tested by the appearance of a new monster.
The group learns of Aura's plan to maintain the balance of The World, after fending off a dangerous wave of attacks.
A virus prevents the gang from achieving victory in battle. With data drain his only option, Shugo must use his abilities like never before to save Rena.
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