Harry Potter: Returning from Hogwarts Legacy - Chapter 293

Yin Li was born with a pure Yin body. He possessed the body of a male but the fate of a female, his Yin and Yan energies fully inverted. Because of this, his family’s old ancestors claimed he wouldn’t be able to live past twenty years of age.

To prolong his life, his parents fostered a furnace whose energy he could harvest to nurture his own.

As Yin Li looked at the frail and delicately charming boy in front of him, he felt his heart stir with compassion.

The Heavenly Path is carried through reincarnation, life and death are decided by fate.

He couldn’t simply ruin this pitiful child for the sake of his own selfish interests. Instead, he kept the small boy at his side, spoiling him and raising him as his trusted aide.

He truly believed they shared a master and servant’s pure and honest affection, not at all realizing that that wicked boy had been rotten from the start. The delicately charming small boy who was spoiled day and night only ever thought about two things:

1. Why hasn’t master bestowed his favour on me yet?

2. Just how can I climb into master’s bed?

- Description from Novelupdates

On the surface, Zhou Qingfeng is an international student from Baitan High School, and now he is staying at Julia's home. In fact, he is reborn.With the memory of more than ten years later, in order to avoid the disasters that will be faced in the next ten years, Zhou Qingfeng, in addition to being a young and frivolous international student, secretly investigates a biopharmaceutical company called “Apocalypse”.The gears of fate begin to turn...

In novels with a stud there is always a Senior Martial Brother like this:

In the early stages of the novel, his innate talent is high, his cultivation is good, his appearance is handsome, and he has an intelligent, cute younger Martial Sister as a fiancée.

In the middle stages of the novel, he is caught unprepared and defeated by a young disciple (the protagonist) in the sect who’s hardly remarkable at all. From then on, he falls from his godly altar and loses his brilliance. Even his young Martial Sister leaves him for someone else.

In the late stages of the novel, he continues to turn dark, going down the Demonic Path and becoming the major villainous boss. However, the protagonist still ruthlessly defeats him and his soul is eternally sealed.

Once Qin Mo opened his eyes, he discovered that he had become this Senior Martial Brother.

- Description from Novelupdates

Li Jizhou traversed to another world, fought with all his might, always battered and bruised, and ultimately failed to charge the Golden Core with a Lower-grade Spirit Root, resulting in his death and soul's dissipation.It wasn't until his second life that he realized the reason he could travel to this world was due to the Reincarnation Treasure Mirror he had fortuitously obtained, which could not only reincarnate his soul but also enhance his Spirit Root based on the performance of his last life.“If I can achieve Core Formation, I can gain nearly five hundred years of lifespan. In the next life, I can add five hundred points to this life's Spirit Root base, making top-grade talent possible in the future... again and again, as long as I can reincarnate for three more lives, opening with a Celestial Soul Body Spirit Root, it's at my fingertips.”