Naruto System in One Piece - Chapter 525 - 3rd Kazekage?

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

At age 5, Amon unlocks the unique «Fury» genetics and is what caused his behavior to change.

After living with his grandparents for 11 years he learned to behave. For reasons he can’t know, his grandparents faked their deaths, and now he needed to move.

Now he would have to face a new challenge which was to live with his mother and stepfather and two twin sisters not linked by blood and go to school.

What would you do if you could shuttle the plane?

Gao Linhao got an artifact that can shuttle the plane, so he reached the pinnacle of life, and became an existence beyond everything, just suffering from the unrecognizable planes that Lin Hao had given to evil!

Ji Linhao said, “I want to change as long as it makes me unhappy!”

- Description from Uukanshu

A Consort seeks prosperity.A Shepherd cloaked in yellow wages war.A Prosthesis-wielder cries out for retribution.Shadows tremble in the depths, encompassed worlds obscuring the many dangerous secrets of history. Might they be unraveled, all ways of life would be threatened. But to climb higher requires risks, to seek the light requires a Gambit of Lifetimes.Only when one determines themselves capable of risking it all, can all prosper.