Celestial Era: The Rise of the Full-Time Enhancer - Chapter 6 Numbered

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

Kurono Maou is a high school student who is sensitive of his sharp eyes and bad expression. No girlfriend but gifted with friends in his own way, he had been living a peaceful life.

Traveling through the fantasy world, after hundreds of years of tossing, Han Li, who is of mediocre aptitude, is ruined.

After going down the mountain to marry a wife, he found that the way he opened the fantasy world was wrong.

You can rise from lying down, why should you practice hard, fight and kill?

Many years later, a long-lived family quietly rose up, with tentacles all over the heavens and worlds, and behind the scenes they controlled the various holy lands and immortal mansions.

On this day, Han Li was high in the ninth heaven, looking at the billions of descendants below, telling his glorious history.

A fairy emperor came across the border, intending to destroy the Han family, but was killed by Han Li with a snap of his fingers.

Immediately, the heavens were shocked, that ancestor Han was so strong!

【Longevity Flow + Family Flow + Goudao Flow】

- Description from novelbuddy