It's Happy Line

Told after a mysterious virus managed to cripple the Russian population, a school boy named Fujimaru recruited by an agent psia (Public Security Intellegence Agencies - the Public Security Intelligence Agency) to find out what happened in Russia when agents of the Third-I'm trying psia improve memory stick containing unknown contents files incidents.

Fujimaru was a high school youth level 2 and members of the School Newspaper Club, who has another identity. Falcon, is another identity Fujimaru when he became a hacker, this identity is known only by his father, psia, and the club where he joined.

Falcon is known as a hacker who has the ability to penetrate the computers of people suspected of committing crimes and reveal evidence of crime to the public. If the Falcons are serious this situation is often called the "Falcon Mode", pupils usually Fujimaru always narrowed, and this seems to descent, as father Fujimaru also do the same thing when fighting