After being accused of a crime he didn't commit, Keisuke Amazawa has no choice but to dive into the digital world and investigate to prove his innocence. Even if that means joining a group of hackers and help them to solve the troubles threatening this mysterious universe. Hackers in the Digital World are divided into groups with different objectives. Some will cooperate whilst others fight each other to destroy the dimensional barriers and invade the real world. The largest hacker group, "Zaxon", will strongly fight to protect the Digital World. One member, Jimmy Ken, is unsatisfied with the management so decided to create his own group called "Demons". Confusion reigns in the Digital World especially with this mysterious hacker named K who wants to chase the criminal who is hunting for your account.