Naruto System in One Piece - Chapter 39

Xu Zimei found himself reborn, carrying with him all the heaven-shaking cultivation and memories from his previous life.But something was off about the script. Isn’t reincarnation always the protagonist’s theme? However, I was cast as the villain!This is the story of a villain's step-by-step journey to becoming the Demon King.——————————In an era of great strife, where mystical arts resonated!An elder of the True Martial Holy Sect sat at the Willow Bank River Fishing Platform when suddenly he heard the dragon’s roar. Three thousand carps knocked at the gate of life, transforming into the Measureless Golden Dragon, soaring through the firmament, graceful as a startling swan!There were strongmen who measured the heavens and earth with their strides, monks who sat in meditation in temples for three thousand years, achieving sudden enlightenment—auspicious clouds descended, and all laws of magic cheered in chorus.Blood moons darkened the night, rainbows cut through the daylight.There was a swordsman with a wooden sword on his back who, with a turn and a raise of his hand, shattered thousands of miles of rivers and mountains.In the south of the city, a ragged beggar with a broken willow twig dared to assault the Holy Court of a sect that boasted three emperors.

After transmigrating into a SF (Science Fiction) novel and enduring cruel hardships, I ascended to the throne as the Emperor of the Galactic Empire.[Welcome to the Integrated Dimensional Community.]As the community’s Lone SF Transmigrator, I unleashed the poison of new cultures on the uncivilized primitives of the Otherworlds.-Let there be light. To judge the horde of evil, the Apostle of the Goddess sent down a Graviton Surge. Thus, in that place was light along with a massive explosion…-The Grand Duke of the North has shown great interest in your Heattech…-I, as a Namgung, am thankful for the grace akin to the vast sea provided by the Great Hero. By virtue of the Vibroblade bestowed by the Great Hero, the nefarious Demonic Cult has…It seems like these Otherworlders can’t get their sh*t together.

In a galaxy ruled by warlords, guilds, and ancient tech cults, Kai Zareth is just another debt-ridden scavenger—until a legendary system descends upon him.“One Trader per 10,000 light years. One chance to rise.”Selected by the Cosmic Trade Nexus, Kai becomes the sole wielder of the Galactic Exchange System, a multidimensional platform that allows him to buy and sell across parallel worlds, forgotten realms, and alien civilizations.With only 12 hours to complete his first trade—or lose everything—Kai scrambles to make deals in a universe where information is power and one wrong barter could cost your life.From selling enchanted goblin toothbrushes in toxic slums to outwitting rival system users and forging alliances with forgotten races, Kai must build his empire item by item, realm by realm.But in a galaxy where traders kill for profit and system users are hunted like prey, being the Merchant Sovereign might be a bigger curse than a blessing.

Reborn and returning, he possesses medical skills, can practice immortality, has a slave who is the king of killers, and a maid who is the school beauty pursued by everyone. Even casually taking out a piece of trash can shock the world. His return has set this world ablaze.