Devil Slave (Satan system) - Chapter 2 Transmigration Of A Murderer...

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Where there is light there shall be darkness

Hero? Nahh I'm the demon.

In a world where the demons are looked on as the incarnation of evil, the human-demon war raged on across the whole continent.

The Seraphims, protector of humanity, and the Demon lords who rule across all demonkind. Amidst all the chaos, Simon was reincarnated as the lowest ranking demon noble.

A brutal world where the strong feeds on the weak, eat or be eaten, kill or be killed. A demon far off from humanity….a dream unfulfilled in his previous life will be achieved in this life. Taking on the moniker of Laplace, he destroys all his enemies and rise over them.

Reincarnated as the emperor of the dynasty, Zhou Xuanji, he thought he would be rich and noble for a lifetime, but he was forced to flee the palace due to the grievances of the palace.

What surprised him was that a cheat program invented in his previous life turned out to be a reality!

At the age of two, he obtained the Red Dragon Sword, which contains the soul of the Red Dragon!

At the age of three, he obtained the second Divine Sword!

Every year you grow, there is an extra sword!

A hundred years later, Zhou Xuanji took hundreds of divine swords across the world!

Ten thousand years later, Zhou Xuanji stunned the heavens, Wan Jian volleyed into the sky, and ascended the throne of myth in the name of Sword Emperor!

- Description from novelbuddy