The Supreme Lord Donghuang - Chapter 215 - Divine Soul Shaper

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

When Cheng Guang woke up, he realized he had traversed to another world.He had thought his transmigrated identity would be the esteemed Princely Heir to the Duke, but he hadn’t expected an additional (pseudo-) in front of it.It wasn’t tragic, but it definitely wasn’t great either, it was just very helpless.Cheng Guang had thought that being able to be a pseudo-Princely Heir was the biggest cheat in his life, but to his surprise, he was also bound to a system.This system was even more of a scam!It seemed to have bound him three thousand years too early!It started by telling him he had advanced to the Heavenly Human Realm and instructed him to confront the Empress of Great Zhou, who was also in the Heavenly Human Realm.But he was just a small potato!However, wait a second, the Empress of Great Zhou, years later, seems to be just a pushover right now?Cheng Guang became resolute and confident again, I got this!!!

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

Transmigrate to the world of One Piece, reincarnate as Saint Imu; Control the world government and sit on the throne of the void.He obtains the star map of the omniverse and contemplates the sea of dimensions.Gather all individual combat power, military power, financial resources and all material resources to open the star gate, conquer all dimensions, and break the limit of individual power!Unite or be destroyed, how to choose?