One Piece: Don't Worry, I'm a Doctor - Chapter 293: Bullet’s Rampage

Scholar System, Business System, Confucian Saint System, Oracle System, Bald System, Ancestor System, Myriad Realms System…This is a world overflowing with systems!In this world, everyone can awaken a system of their own!Everyone can cheat their way to the peak of life!However, Xiang Beifei was utterly confused, “Why do all you locals have system cheats while I, as a transmigrator, don’t have one?”Soon, he realized—Not having a system cheat was actually the biggest cheat of all!

I was the one who boosted your rank. Yet you stabbed me in the back? Fine. Goodbye. I’m taking it back. You’re finished now. Thanks to you, I now have an abundance of skill points for a prosperous hunter life. But… after spending some of those points, the S-Rank is starting to get obsessed with me…?

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

Jiang Yun died in his original world, and his spirit traveled to a cultivation world as the Holy Son of the Sacred Land of Mist. However, his new body was severely injured from being attacked by demonic cultivators and having his Sacred Bones stolen.As he was in despair, a voice from a System, known as the Villain System, sounded. Initially, he was shocked because of his experiences, which seemed like the destiny of a protagonist. However, when he discovered that his junior disciple was the true Son of Destiny and had stolen his Sacred Bones, hiding them, and was a spy for the Demonic Sect, Jiang Yun realized he was being framed. The junior disciple created false accusations against him, causing other disciples to dislike and reject him, including senior and junior disciples who shared the same master.Without hesitation, Jiang Yun decided to become the Villain. He planned for survival, gathered resources, amassed forces, and acquired subordinates. Eventually, his master decided to remove him from his position as Holy Son. He then chose to leave the Sacred Land. When he encountered an Emperor Spirit, he learned that the world was about to undergo a dramatic change in the near future. Thus, he established a Sacred Land for those who were despised and abandoned by heaven, or for those who shared his ideals.