Naruto: The Chosen Undead - Chapter 136 - no. Dark Souls

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- Description from Novelupdates

Kamishiro Homura is a hero who once by himself exterminated the another world invader that destroyed the military all over the world. However his extreme strength made the influential people ostracized and exiled him from the society with false accusation of [Traitor] attached to him. A few years after that, for an unspecified reason Homura entered the magician academy and he looked after the girls that were ridiculed as the [burden platoon]…!? This is the raise of the curtain of a fantasy tale of the unrivaled and invincible young man where not a single ally or enemy can keep up with him, the young man who sooner or later will be extolled as the messiah by the whole human race!

In a world where any normal human could create elements at will, Aziel Mateo came into life and was left in an orphanage.Humans from this world were granted magic by the universe when they turned fifteen years old. These blessed magic users served under the twelve gods.Aziel Mateo, a kid without visible talent found that he also couldn't do magic as he wasn't blessed by the universe.He decided to train himself in order to fill the gap between magic users and himself. However, he still found himself lacking, as the magic users can become stronger with their magic.Aziel Mateo later got admitted in the Academy but felt like an outsider, always being bullied, and rediculed constantly. Still, he continued his training in the shadows, slowly but surely he rose up to the ranks of the strong students without using magic.When everything seem to finally going his way, he was ambushed during their training camp, and left there to be eaten by a beast.However, this tragic event forever altered the course of his life in a positive way.Aziel Mateo survived that ambush and was brought into a cave where he saw a woman, introducing him the magic chest that was full of magic scrolls. The scrolls that contained forgotten arcane knowledge for magic.The woman revealed herself as a goddess who was betrayed. She helped Aziel become stronger for a cause. She needs his help in getting vangeance, in getting the justice that she deserves.Aziel Mateo obtain the ancient arcane powers, and become stronger that he didn't thought he could attain, not even in his imaginations.

Ai Qian, a street-crazy author who wakes up every day because of her own poverty, is bound by the system!
The system is obedient: Host, you are the daughter of a rich family, you are a billionaire female president, you are a superstar… Are you happy?
Ai Qian: Hehe, I might be happier if there is no hero who can kill me at any time.

- Description from novelbuddy