The fourth installment of the anime adventure series. The wheel of fate turned when Kiyotaka Narumi vanished after vowing to pursue the mystery of the Blade Children. On that night, Kiyotaka's younger brother Ayumu found himself thrust into the baffling puzzle of the Blade Children. Who are they? What have they done to deserve their fate? Why do they believe that Ayumu is the key to their salvation? Only one thing is certain: the Blade Children will stop at nothing to complete their destiny. And only Ayumu stands in their way...Episodes included: 'Shimmering Fragrance', 'Like A Swan', 'Moving Targets' and 'The Watcher In The Darkness'.