The Last Incubus with The Vice and Valor System - Chapter 17: Amelia explains the world...

The course of commitments never did run smooth.

After dying on Earth, the King of Mercenaries is reborn as Su Mo in the Firmament and Continent. In this brand-new world, Martial Art is the way of life, and the strong set the rules.

Having awakened a Martial Soul of the lowest rank, possibly meaning he will never go far as a Martial Artist, Su Mo is determined to rise to the top again nonetheless.

However, misfortunes never come singly. The love of his life is soon taken by one of the most powerful forces in the world. With no time to spare, watch as Su Mo overcomes all odds and struggle on the verge of death countless times, in order to meet his love again.

As the protagonist reaches the top in that world, he has to take on more responsibilities and face new challenges.

Follow Su Mo on his relentless journey to become stronger for the sake of those important to him, and uncover the deep, dark secrets and plots in the vast universe.

- Description from Novelupdates

In the original world, Sasuke had a tragic life experience, his entire clan was wiped out, he was deceived by Itachi, brainwashed by Obito, and played with by applause, and everything was clearly arranged!On the spur of the moment, you will get a severe beating! In the end, he cut off his hand, carried everything on his back, and left Konoha alone. The Uchiha clan fell...After Getting Transmigrated As Uchiha Sasuke, Yah Let's Definitely Try To Avoid All Of This Shit....

Soma, a college student and also an orphan, who is on his way back after finishing his part-time job, plus his college in the morning, made his life feel monotonous. Still, of course, he didn't have any complaints about the situation he is currently in.To distracted his exhausted body and mind, Soma always finding some times to enjoy the web novels.As a person who likes to immerse himself in the world of novels to find some enjoyment, every day at night, he always reads a web novel he has read for years, and it is called Chronicles Saga.***Chronicles Saga is one of the many web novels that were serialized years ago, and it's already nearing its end game with a couple of final chapters.The story was depicted in an alternate Earth where Magic, Dungeons, Sword, and System exist.It tells the story of a young man who holds high justice in his heart named Leon, who has been chosen as a savior trying to save the world from the incoming disaster in the future by the great Demon Lord.***Then, an unimaginable thing happened to Soma when he suddenly got transmigrated inside the story he read for years. Not as a protagonist who led the story or a Villain but as a 'Side Character'.Soma was transmigrated inside the body of a young man with the same name.To make things much worse, he is being transmigrated into one of the crucial scenes, which becomes a turning point for one of his favorite Heroines in the novel.Then, one thing led to another as Soma was thrown into multiple events. He discovered that the boy named Soma had an unexpected mysterious background and past coming from a ‘Side Character’ who had no role in the main stories.Follow Soma’s story inside the novel world he transferred into as a Side character that will overthrow the story and the world, with his reliable comrades.

Ye Fan accidentally obtained a billion crystal technology system, and since then, he has become out of control.

Android: You do n’t even have a mobile phone system. I want to make it impossible for you all!
Ye Fan: Sorry, I researched it out, it seems to be more powerful than yours!
BMW Benz: Our engines are famous all over the world!
Ye Fan: Sorry, I do n’t have an engine, I only have magnetic levitation, and the speed is only a few times that of yours. Do n’t worry, take your time!
…
Enemy: Is he still human?
Who can stop this!

- Description from Qidian