Virtua Quest, known in Japan as Virtua Fighter Cyber Generation: Judgment Six No Yabou, is a Virtua Fighter spinoff title for the GameCube and PlayStation 2 video game consoles.
The world of Virtua Quest is one where many people shrug off reality, and instead spend their free time in the Nexus, a vast virtual universe. Sei, is a cheerful fellow who's been tapped by his friend, Hayami, into trying out the life of a hunter, one who collects data chips from the far-flung reaches of the Nexus and then sells them for cash. Sei, curious about the occupation, yet slightly intimidated by the dangers involved, reluctantly accepts after a bit of influence from Hayami, and the thought about the bike that they are trying to finish in time for the race in the real world. After completing the Hunters' test and a brief explanation from Hayami about the Hunter's License rankings-LoA, HighA, and ExA- Sei finds the server address for Curio City, and marks his way to the location.
Right after he had just arrived, a strange creature named Bit appears from his Hunter's Glove at a blaze of light and announces that he will be his navigator throughout the servers he visits. Sei is fine with this, now that Bit had explained his startling entrance, but not with the fighters that pursue him a few minutes afterwards. Then a girl with aqua-colored hair approaches him and directs him to logout. Sei demands Bit to logout, but the command is not accessible.
The girl then tells him to go to a warehouse and find what he needs there, and tells him that he's "in this fight, no matter what. The only person that can defend you is yourself." She also tells him to head to a building, and that the root user, the one preventing his logout, is there. She informs him that defeating the root user will let him logout. She then disappears.
Sei heads to the warehouse, and falls through the glass ceiling. He meets a man that bears a vague resemblance to his father, and tells him that he may need to ...