The Protagonist System - 325 Pain Is In The Mind Part One

Cut through the road of life and death with one knife, and Hanren slaughtered all those who had hearts!

…

I don’t want to be a knife, I want to be a knife bearer.

I don’t want to be a pawn, I want to be a chess player.

an ordinary person.

But he wants to live out himself in this world.

The unknown road ahead is slim, and the future is unknown; just walking step by step, before you know it, it is already a journey, and there is no world.

The thorny road, the red dust is far away; the clever move, the step is high;

Flatten the sea, turn over the rivers and lakes; clear the blue sky, hold the sword of heaven.

- Description from novelbuddy

The prosperity is about to come to an end, and the poor boy quietly rises.

Traveling across time and space, seek the leader of the world.

- Description from novelbuddy

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

One day a young man found a mysterious door in his grand father house and that door transported him to Tensura....welcome to the new world...all the credit for the characters and main story goes to the owners, this is just a fanfic none of the characters or the storyline belongs to me...Tensura won't be live until later in the chapters, so if you in a rush, you can quick rocks...