From Overlord To Multiverse. - Chapter 29: Strongest Demon Slayer

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

- Description from Novelupdates

【Explosive Fantasy, Exhilarating Fiction】He had been beaten by his father into a cripple and kicked out of his home, yet he was the most badass genius in history. The Empress of the Divine World? She’s my woman! The Great Lord of the Demon World? He’s my disciple! The Dragon God of the Demon Realm? He’s my mount! Those who mess with Xu Nian will die! Those who touch Xu Nian’s Forbidden Lamella will wish they were dead!

Xuanqian Continent, where sects stood in great numbers and experts abounded.The youth, Zhou Heng, with a mysterious black Broken Sword in his Dantian, emerged from Origin Stone Town and fought his way to claim a piece of the world in this grand era.To the exceedingly wicked, kill!To those who bullied my friends and family, kill!To those who obstructed my path to enlightenment, kill!On the path to the heavens, I tread with songs, with a sword in hand, I alone am honored under the heavens!

A top hacker was chosen by the Lord God to be reborn into countless worlds, always as an expendable villain.

With no free will, every world became a dead end. Every one of his lives ended tragically.

Finally, after wresting control of the Villain System, this ace hacker decided to enact revenge. Even if his very bones were rotten, he’d choose to occupy the very heights of morality, if only on the surface.

Thus, he would change his fate as an abused slag.

- Description from novelupdates