PATH OF THE STAR HUNTER - Chapter 638 - 638 Chapter 638 A Sin That Time Never Forgave.

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

Waking up in the body of a 6-year-old boy a few years before Cintra is destroyed, Madara receives a system that gives him the ability to gain the powers of Uchiha Madara.[The peak of Uchiha Madara's system is before he becomes the ten-tails jinchuuriki.]The system's percentage does not stop Madara's power, but rather the system's release. After all, I don't want to see a character who goes around killing everyone from the beginning of the story.

An unexpected transmigration and upon opening her eyes, she encountered a sleazy man trying to take advantage. Considering Su Yu was the heir of medical studies, proficient in multiple martial arts. How could she endure such a great shame? Just as she was about to show some of her moves, someone heroically came to her rescue, though he was somewhat disabled, his good looks were undeniable.With nowhere else to go, Su Yu naturally had to offer herself in return. It was just a limp, and it happened to be her specialty.Watch how she heals her handsome husband and together with her family, happily engages in farming and grows wealthy...

Due to a problem in his soul, Rean never cared about anything in his life. Even though he died heroically, there wasn’t really a 'will' behind that action.