MTL - Concealed and Blended: Fendai - Chapter 8

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

What would you do if you were reborn in the world of Battle Through the Heavens without a distinguished background or an elder in your ring and just a decent talent?Luckily, Xiao Ming has awakened the Life Simulator System![The Life Simulator is on]......[You have experienced an ordinary life.][Elements are being chosen.][Currently available: Green Lotus Core Flame, Flame Mantra, Woeful Poison Body.][Please choose one.]Every seven days, he can choose to extract one of the elements from his life simulation.In this way, Xiao Ming began his ordinary life.

When Caesar learned that he had traveled to the world of pirates!

In order to become stronger, I started hell-style training, looking forward to going to sea one day,

Stir up the situation and rule the world!

One day, a pirate group came.

Looking at the familiar figures behind the captain,

Caesar instantly knew his name – Lockes!

After the Island of the Gods incident…

Garp: When did a Caesar appear in the Rocks Pirates? Almost fell into his hands!

Roger: What kind of strange ability is this? Domineering! ?

White Beard: The scars on my body are thanks to Caesar!

Golden Lion: How is it possible! What ability is he hiding! ?

Kaido: Bastard, it turns out that this guy has been paddling all the time!

- Description from novelbuddy

Despite being the ruler of a nation, nobody was willing to marry the vicious man with a bloodlust.