Naruto: Reincarnated as Sasuke Uchiha with Perfect Talents. - Chapter 97: The Clash of Quantity and Skill

The Demon Empire in the universe was reborn and came back! Enemies should kneel down in front of him! Beauties should lie down in front of him!

“I am a demon. I enslave gods and immortals! If you don’t succumb to me, I will convince you by force!”–Ye Feng!

- Description from Novelupdates

Kai's story begins in a cold holding cell - with no memories and nothing to live for. Just pain and rage. Broken, like the world around him. That’s when everything went black...The next thing he knew, he awoke as a mutant!Seven years earlier, in 2020, the Z Virus outbreak shattered the world. Cities fell. Beasts and monsters ravaged the streets. And from the chaos, mutants emerged - humans twisted by the virus into something more. A gift and a curse.But Kai didn’t mutate from the virus.He was made.The first and only stable artificial mutant, created by the twisted genius Dr Nyx - a man who failed to replicate him and spiralled into obsession.Tortured. Experimented on. Pushed to the edge. Kai finally escaped after his awakening, but the scars remained. And so did the power.Now free, Kai is cold, calculating, and merciless. His ability to manipulate blood - his own or others' - is terrifying. But to him, it’s just a tool. One he’ll wield without hesitation.In a ruined world ruled by the Association, mutants, and the strong, Kai has no interest in saving it. He wants answers about his past, the truth behind his mutation, and revenge on the man who tormented him.Only one thing is certain: He who bleeds last writes the story... even if it’s in crimson ink on the bones of the fallen.This is the story of the Bloodweaver!Disclaimer: This is a work of fiction. Any similarities to real events, locations, or people are purely coincidental and not intended to portray anything.

For unknown reasons, he finds himself transported to a parallel world's Japan, unexpectedly taking over the body of a soon-to-be high school student who had died accidentally. Surprisingly, he did not inherit any memories. However, the first challenge he faces upon arriving here is a language barrier...Just as he struggles to communicate with his new family, a heavenly voice arrives: the black technology system has been activated, and the initial item—translation konjac—has been distributed.This is the story of someone with above-average intelligence but almost no physical strength in the Classroom of the Supreme Power.

All Things of this World, Turn to Ashes, Flowing Blade-like Flame!

Crossing over to the world of pirates(the one piece world) , in the era of pirates, the Roja from eleven years ago obtained a Sword Soul system that lets him strengthen infinitely and extract various kinds of skills.

Flowing Blade-like Flame (Ryūjin Jakka) , Mirror Flower, Water Moon (Kyoka Suigetsu), Moon Fang Heaven-Piercer (Getsuga Tensho), Thousand Cherry Blossoms (Senbonzakura)……

“If this sword descend, you may be roasted to death.” Roja looked at Akainu in front of him and seriously said.

- Description from novelupdates