One Piece: King of the World - Chapter 16 - : A Visit to Marineford?

Because of an accident, Chen Fan obtained the power to possess an electric eel!

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

An 18-year-old girl who lost her family in an accident, Yamano Mitsuha falls off a cliff one day and transferred to a different world with a civilization level of medieval Europe. Mitsuha who discovered it was possible to go and return to Earth after a deadly fight with wolves decided to live in both worlds.

「For the sake of security in old age, I will aim for 80,000 gold coins!」

I will try not to let strange things circulate and distort the progress of the world, but I won’t hold back for the sake of my easy life and safety! While carrying three handguns along with words and deeds that appear decent, in her head, Yamano Mitsuha is a sly girl.

Making an effort to make money even with a small body that looks like a child to foreigners!

Oh, my secrets are too dangerous, you said? It’s fine, it’s fine! I’ll transfer away when push comes to shove!

He was only an ordinary Chinese youth. Because of the strong refusal of his soul, he unexpectedly arrived in this strange world. He ardently loved peace; yet, he had no choice but to become a Demon God. If cultivating to the peak could lose person’s human nature, then all living creatures will weep with grief, waiting to be slaughtered. Can he still remain calm after this? In the vast wilderness, a handsome youth carrying the wisdom of “Daodejing”, step by step would rise to prominence in this world. Condensing and cultivating his bloodline to the supreme. Controlling and commanding the rivers. Swallowing and spitting the sun…

Tl: 1.Daodejing also mean as “The classic of the virtue of the tao” was a book of dao by Lao tzu, a sacred text of Daoism.

- Description from Novelupdates