 In "Cyber Sleuth", the player assumes the role of Takumi Aiba (相羽 タクミ Aiba Takumi) (male) or Ami Aiba (相羽 アミ Aiba Ami) (female), a young Japanese student living in Tokyo while their mother, a news reporter, is working abroad.After receiving a strange message from a hacker, Aiba, along with users "Akkino" and "Blue Box" investigate a popular physical-interaction cyberspace network called EDEN, entering a hacker-infested area known by EDEN users as "Kowloon".Akkino and Blue Box introduce themselves as Nokia Shiramine and Arata Sanada, respectively; shortly after, the three of them are given a "Digimon Capture" program and locked in Kowloon by the unknown hacker.