Blackstone Code - Chapter 301:

Ethan possessed everything one could desire, wealth, happiness, luxury cars, and a loving girlfriend.He had never fought a day in his life, but then suddenly, he woke up in a different world.A world were destruction and bloodshed was the norm. A world where the weak had no place to survive.Ethan now possessing the body of a boy who had failed his awakening twice and was on his last try, now stood in this world.Can Ethan who never fought a day in his life survive in a world where battles and death occurs every second, minute, hour and day.Would he rise through the ashes of the world, or would he burn with it.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

“Save the world? Yeah, that's gonna be a no from me.”Noah had it all. He was one of the youngest billionaires in the world, tall, handsome, and usually had his pick of women.Life was perfect... until he was summoned into another world to defeat the Demon Lord.Unfortunately for Camelot, Noah couldn't care less about being their hero. All he just wants to do is go home. But the ritual home demands blood, power, and sacrifice. And if the world must burn so he can leave it, so be it.With the power of the abyss running through his veins, the dark dragon marches forward.“Your fate is bound to this world, hero. No matter what you do, you shall save this land.”“We'll see about that.”

Kiro is a slave branded with a deadly collar, forced to work in brutal mines under the ruthless Kargal Empire. Each year, slaves are hunted for sport in the deadly Hunting Games—a fight to the death on a savage alien moon. This year, Kiro is chosen to play. Sent into a wilderness filled with monsters and traps, survival seems impossible. But something ancient watches from the shadows—and it has plans for him.