Supreme Casanova: Ultimate Harem System - Chapter 273 Simple Stories.

The main character is suddenly summoned to another world…..and the one who shows up next is a malicious and scheming noble…..obey or die. I’ll try to rise in this world and live on by any means! It’s the story of such a hero.

Born into a wealthy family, Gu Shenwei was spoiled and carefree. However, at the age of 14, his entire family were brutally murdered, and he was caught by some bandits who sold him into slavery. As a slave boy, he entered Golden Roc Fort by chance and found the man who had slaughtered his family. He endured insults and worked hard to improve his kung fu while working as a slave boy. He learned from and plotted against his enemy under the enemy’s nose. He became increasingly ambitious as he became more and more powerful. He would only be satisfied if he completely destroyed his enemy—by fair means or foul. Gradually his bitter experience turned him into a totally different person.

Joseph Knox, one of the most prolific and well-known serial killers on the planet.A person considered so demented and manic that even trying to reason with him was believed to be a waste of time. A man so far gone that he seemingly didn't deserve any pity even on his deathbed.So why? Why would a man like him receive a second chance? And why did the world around him seem so familiar?Disclaimer: AU when it comes to some parts of Madara's plan(I'll try to make it make sense at least), and aliens don't exist in this world

“It's 2025. Who's gonna believe a myth or fantasy anymore? That only exists in the book or game or anime.”And that's how everybody thought before the announcement that flipped the entire world completely.Everybody race to become the new god with the system they got.So, how about the people who don't get the system?( Hey, kid. I can give you some power. Let's make a contract. )