Tokyo has been decimated by a terrorist attack, the only clue to the culprit's identity is a bizarre internet video. Two mysterious children form Sphinx, a clandestine entity determined to pull the trigger on this world.

Tokyo has been decimated by a terrorist attack, and the only clue to the culprit's identity is a bizarre internet video. While paranoia spreads, two mysterious children form "Sphinx," a clandestine entity determined to pull the trigger on this world.—Anonymous