Naruto System in One Piece - Chapter 493

A recurring nightmare afflicted Khan's nights since the Second Impact. His dreams replayed the scenes of the crash of the Nak's spaceship, an alien race that the humans had defeated five hundred years ago.

Throughout this current life of mine, I will pay no attention to my past lives, nor will I seek future lives. I wish to live vigorously, to pay back debt of gratitude and fulfill duty to avenge, to defeat valiant heroes from all species, and to proudly laugh at all the Gods and Demons of the Six Path of Reincarnation!

Riku Barusak is a hard-working child. Despite possessing an innate superior physical strength and having withstood harsh training she fails to unlock her talent as a spiritualist. The failure results in her being thrown away by her family.

Abandoned, the only ones that extended a hand to her were the demons, the greatest enemies of the human race. Serving under them as a soldier she becomes a weapon of human slaughter, a fiend that should never have existed.

You emphasized harmony your whole life and this is how you go…!’ The successor of the Spear Master Sect and his apprentice Hyuk Woon Seong were framed of learning a forbidden Demonic art and slayed.

A helpless and pitiful death by the hypocrites of the Orthodox sect.

The moment Woon Seong faced his death, the artifact of the Spear Master Sect emitted light and gave him a new life.

The life as Number 900, a trainee of the Demonic Cult!

The two identities, the Orthodox Sect and the Demonic Cult.

But his objective is one. Vengeance! Accepting his destiny and remembering his grudge, Woon Seong trains in martial arts and his time of revenge slowly comes closer….

Take over the Demonic Cult and punish the hypocrites of the Orthodox Sect! The revenge story of Number 900, Woon Seong growing in tasks of life and death.