sin system: demonic harem after reincarnation

William, an internationally recognized game developer and also the mafia lord of the underworld, was on every country's wanted list because of his unparallel hacking and large control over highly classified information and power. Betrayed by his biological brother, who shot him to death, he was reincarnated in the world of warlocks. In a world where magic reigned absolute, he was constantly abused for not having magical power and was eventually sold to some slave merchants by his new family, where life became even hellish. Beaten to coma after being caught trying to escape, he woke up with a system which provided him with a second chance to prove himself. Being granted the ability to copy other people's magic by writing their names in the ancient grimoire. Jerouch was set on walking a path where even gods have fallen. What end would be the path of a nobody who ascended with the system as his support in a world full of mythical creatures, gods, dragons, and demons…

Jordan Callahan has always been a billionaire, a formidable force, but his paradise he forsook to live with Isabella Caden, his wife, and the love of his life. For three years, he lived with her as a live-in son-in-law, being a source of her breakthrough and upliftment in the shadows, but at the peak of her breakthrough, a divorce occurs; Jordan is cast out. But Isabella doesn't know what she has done and now she has to bear the consequences. What does life have for Jordan Callahan and Isabella Caden?

Elrick Aldof—A lousy young man whose life is full of misery and failure at all costs, unexpectedly discovers a system that magically has an infinite arsenal, full of various weapons! In the face of the irregularities in his life, he was shocked when the terrible 'Mad Wolf' virus hit Okazaki City overnight. Suddenly, the town where he lived became deserted because there were rampant zombies, and the streets were full of corpses in the form of zombies. How will Elrick Aldof act in facing the system to save his life and the lives of his relatives and close friends?

Betrayed by his girlfriend and humiliated by a wealthy heir, Justin, who had come to the big city to study alone, experienced yet again the importance of money. Just as he reached the depths of despair, he heard... Super Rich System: "Master, please use money to beat her face swollen!" Super Rich System: "Master, your task is to spend ten million dollars within two hours!" ...

Persues Damon had always been ridiculed all his life. Being a college student and a real life loser. He was unable to take care of his family and was always oppressed by rich people. The girl he loved the most cheated on him with a rich man and murdered him. Only for him to awaken with a system. He is going to make them pay, alongside everyone that hurt him. [Ding!] [The System finally recognized its host.] [You have two choices: A, Accept the system and live. B: Reject the system and die miserably.]

Kaiden, who has just been left alone because his family suicide, is now being chased by loan sharks because of the debt left by his family. Kaiden himself was almost beaten to death for not being able to pay the debt. However, while he was resigned to death, something strange came to his ears. [Your circumstances have qualified to become a master of the tycoon game system] [Welcome to the tycoon game system!] Kaiden recalled the strange voice he heard before he coughed up blood and passed out. It was exactly like the voice he was currently hearing from the hologram screen. "So yesterday was real?" Kaiden muttered, between confusion and amazement. [Right master, the system is real] [The system will help master become the richest man in this world] [The system will start the game to become a tycoon!] [Your level is level one] [The system will send some money into your bank account] [The money can only be spent on starting a business, not on personal consumption] [Every time the money is spent, you will only receive 50% of the money for personal consumption] [Now create your own business, or invest in other people's business, you are free to use the money only in the business field] [Have fun!]

A nerdy engineer was brutally murdered with regrets in his heart. When he transmigrated into a magical world of Knights and Mages, he decided to live for himself this time around and to chase after his longtime dream- to start a big family filled with love and lots of kids from lots of wives! In order to protect himself and his loved ones in this harsh new world, he resourcefully forged era-ending weapons never meant to be fired in this world. To the Knights, Mages, Emperors, and even the Gods of this world, he proclaimed, “me transire, si audes! (cross me, if you dare!)”

Neglected and despised by his extended family, his father died when he was only 10 years old, his mother lay in hospital and needed surgery, Lein lived a life of extreme misery. He is willing to do anything to cure his mother. Kneel and prostrate? Kiss your feet? Lick your shoes? He will do anything! However, no one bothered to help him, until a notification from the system appeared in his vision. [Congratulations! You are the luckiest human among billions of humans in this world! Be the true ruler of this minuscule world!] [3...2...1...] [System is adjusted according to Host's needs and wishes. Analysis begins!] [4...3...2...1...Analysis complete!] [System starts!] Follow Lein's journey to reach the pinnacle of life! "Look! Everything is finally under the control of my feet!" Season 1: Chapter 1 - Chapter 167 Season 2: On-going I own the copyright to the cover.

After being kicked out of the orphanage by the new owner, Aslan had to leave and had nowhere to go but the dormitory near his school. He only had enough money to buy one slice of bread without a drink. Even so, when an old lady came and asked for food, Aslan gave her the bread without thinking. The grandmother gave him a gift in the form of a strange system. [Welcome to the Fun game system!] [Fun game system is a system that will give you a lot of wealth and glory by doing missions and playing exciting games] [System and master unification process] [10%] [40%] [60%] [80%] [100%] [Unification completed!] [Now master can enjoy playing games and earn a lot of money!]

A life of deprivation, humiliation and degradation. That's what Austin Barnett feels every day, for him going about his daily life is tantamount to the torture that the teenage boy is used to. Then how does he live his daily life? The answer is simple, it's because he has a lover who is always a source of encouragement. But once he finds out that the lover who has always been the source of his enthusiasm is having an affair with another man, it makes his heart even more broken. For a moment he thought, what if he was rich like Silvia's lover? Or handsome like a top model? Would Silvia have left him? [The host's (Austin) strong determination successfully triggers the Student System] [Congratulations! The host has the Student System] [Name: Austin Barnett] [Host gets 100 Exchange Points as a reward] [1 Exchange Point: 100,000 dollars] Just when Austin thought his life would always be full of misery, the Student System came to him. Giving him strength and power that no one else could possibly give him.