2000 years had passed since sudden disappearance of the mysterious beings known as 'filaments' and also dark creatures known as `shades', during the great insurgence, the great between humans, shades and filaments...until the day when strange pillars emerged from beneath the ground and tore a rift in the sky and there fell out of the rift, one of long vanished filaments, Uriel, who was in a fierce battle with the shades.