Great War

After the death of the planet, there was a war between the survived human race and the Hundred A-rays.
Mankind in order to survive, and the A-rays to rule the world.
Under the Six-Sisters who united the unmassed A-rays, the human race were on the verge of defeat. Near the end of the war, mankind created the Knights and the Human Species, and it further killed the planet that's already dead.
There was no victor to this war. It was interrupted by an intruder that suddenly appeared and nearly wiped out both sides.

Angel Voice: Notes.