"Every episode of Spiral left me wanting more." --- toonzone.netAyumu Narumi's older brother Kiyotaka disappears mysteriously one ordinary day.  The only clue Ayumu has are whispered rumors of a bizarre group called the Blade Children. Two years later a series of murders begin.  Strangely enough, all these incidents point back to the mystifying Blade Children.  Ayumu tries to figure out the mystery of the Blade Children.  Somehow he seems to be the key to the puzzle.  But how can a puzzle be solved when nearly all the pieces are missing?Box Set Includes:25 Episodes625 MinutesAudio CommentaryCharacter ProfilesImage GalleriesOuttakesand More!