Kill the Sun - Chapter 645 – Economic Rise

The tale of Oliver.
An orphan boy from a Mine, in 19th century Europe, filled with Magic.

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

A young man who had longed for stories of good and evil since childhood lost his life in a tragic accident and was reincarnated as a boy named Chrono Mak in another world.

He learned that in this other world, there is magic and witchcraft, and depending on how you train them, you can become as strong as you want to be, so he decided to become the strongest demon king in order to recreate the story of justice and evil he once dreamed of.

The Mirror World copies worlds close to collapse, forcibly taking its residents and giving them the goal of obtaining the ultimate stone, the Master Stone.Each race possesses a Race Stone, and Seong-Hwi meets his demise as he protects the humans’ Race Stone. However, he opens his eyes and realizes he has returned to the past.“It’s not unreachable. I just have to take the right path!”Seong-Hwi resolves to obtain the Master Stone and face his destiny head-on.Destiny is weak to the brave and strong to the cowardly. Become someone who grabs hold of his destiny.