Immortality Cultivation: I Farm in the System Space - Chapter 370 - 71: The Shield of Tao

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

Unexpectedly arriving in a world where humans and Pokémon coexist in harmony, Natsume inherits an abandoned farm.With Pidgey soaring through the skies and Heracross resting under the shade of trees, the world’s vivid reality unfolds before him.But instead of aspiring to become a Pokémon Trainer, Natsume seems more inclined to embrace the life of a farmer.Natsume: “It’s decided. From today on, I’ll be a farmer.”However, as time goes on, Natsume starts to realize that his goals may have shifted just a little.“Champion Natsume, are you saying you originally just wanted to be a farmer?” a reporter asks earnestly.Natsume: “Would you believe me if I said it wasn’t entirely my choice?”

The simulation is over, and the entry is obtained: a showdown!

Looking at this entry, Zhao Meng was stunned.

“How should this term be used?”

“Hey! Here’s a wounded fox!”

…

A few years later, a woman who looked like a fairy appeared in front of him, and said:

“My lord, I’m here to repay my favor!”

This book is also called “Starting from Transforming Monsters”

- Description from novelbuddy

In an alternate world, a demon disrupts dynasties, harvests souls, and refines a banner of ten thousand souls.Under the heavenly tribulation, his body and soul are destroyed, but the Ten Thousand Souls Banner protects his undying spirit. Unable to possess a body, he's countered instead.A laid-back young man in society, wielding the Ten Thousand Souls Banner, roams the human world.With the Ten Thousand Souls Banner in hand, I refine a Golden Core with good deeds.A slice-of-life story with no ambition for conquest, helping the departed fulfill their wishes, gaining merit to repair the Ten Thousand Souls Banner, and enjoying a laid-back life.