Sin System: Demonic Harem After Reincarnation

"I'm going to make all of them pay. I will take revenge on everyone who abandoned me and my mother. I will deal with everyone who threw my mother out on the streets and made our life miserable. All of them." Ding! [You have activated the black card system.] Charles is the illegitimate son of an ultra rich family but he was kicked out with his mother at a young age. Now working as a delivery driver, his wife and her family despise and humiliate him for being poor. When his wife cheats on him, Charles swears to take revenge on everyone who betrayed him. And just then, he activated the black card system. With the help of the system, he will recognize his full potential and take his revenge on those who wronged him.

Villains? What do you think of that word? Yes, Demon, Cruel, Evil, Cunning, Troublemaker, and many more... And always inferior to the Protagonist, who many people always adore for being a hero to kill Villains. Liang Xin only realized that he had reincarnated into his own body at a young age but in a different dimension. Not on Earth but in the Regabugile Dimension, a place filled with powerful cultivators from various clans and levels. Unfortunately, he became a Villain in that dimension and was chased by many Protagonists because he killed one of the Young Masters of a Famous Clan. "Indeed, my luck has never been good anywhere! Including in this Dimension!" But Liang Xin got full support from the system. [DING!] [Bound System has been activated] [Helping the Host to become a Villain SSS Level and be invincible] [Host Gets Special Gift]

He mistook her for the girl who saved him years ago, gave her everything to help her business survive.But now he knew he was wrong

As the King of Death in his previous life, Ainz Dorak was a formidable and fearsome ruler. He commanded an army of dark and terrifying creatures, instilling fear and awe in all who crossed his path. His power was unmatched, his reign absolute in the underworld. Despite his immense power and influence, Ainz Dorak could not escape the treachery and betrayal that ultimately led to his downfall. His enemies conspired against him, and so, he met his end, his power and glory fading into memory, so he thought, but something else happened at the point where he thought he had lost everything. Ainz suddenly woke up in a different place, another world to be precise, a world as cruel and twisted, and similar to his previous world, yet different. In this world, Ainz was rebirthed as an abandoned child of a noble, where he learns of the cruel fate of his reality. However, by chance, he was reincarnated with a system; The Shadow Monarch System, through the system, he lives the life of a Shadow Halfing turned Monarch, while making power his only reason for living. Following the path that has been laid out for him through the system, he would pave his path with his army of dark and terrifying creatures, as he snatched the lives of his enemies until he was once again called the king of death. ----------- [Congratulations! You have accepted Mark of the Shadows!] [You now bear a faint scent of Shadow!] [Shadows now recognizes you as their own!]

Lucius is a man who has seen how the world ended before his own eyes. Successfully seizing the supreme artifact called the "Eye of Time," consuming it and returning to the past. Here, the man who had seen the world's end began to plan. "Ten years from now, the great epicenter will break. I must gather all the strongest systems before that time comes." One by one, the man who already knew many secrets hunted down the systems scattered in his world. Uncover the meaning behind the system. Set foot back in a world where superpowers were taken for granted.

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!]

🥉(Bronze Medal in "I Got A System in The Reality" contest) 🥉 Everyone treated Davis like trash, especially the Anderson family, where he was supposed to be considered part of the family. The only thing that kept him going was Susan, the first daughter of the leader of the Anderson family. However, when Susan chose to be with another man, Davis no longer had a reason to stay with the Anderson family. When Davis felt his life was at its lowest point, something unexpected happened to him. A system suddenly appeared and took him on a long journey to uncover his identity. [Conditions fulfilled] [Initiate the system installation process] [System installed successfully] [Heir Status activated] Cover By: Meganovel

Alex lost his parents due to the ongoing war between humanity and the demon halflings. In this era, human possess abilities but the powerful abilities are hoarded by the rich and powerful while the poor and weak are left with scrap! When Alex awakens a system, will he be able to save the world?

Hudson Atonal is a college student who worked as a simple bartender who was constantly bullied by his course mates. When he died, he was reborn in a magical world as a slave and was about to be killed. However, he unlocked the Dual empire building system, which allowed him to travel between his modern world and the magical world. With this power, he vows to become a legend and make money while taking revenge on the bullies that killed him. Join Hudson on his journey as he goes on difficult missions to upgrade his powers and become the ultimate dual empire builder.

Jael Monroe got betrayed by his girlfriend after he received a huge devastation. Angry and unwilling to resign to his fate, Jael looked for avenues to awaken his powers in this fierce world that dictates survival is for the fittest. When he was down in despair, he acquired the ultimate bloodline system that helps him grow stronger by absorbing others' bloodlines. With the powers granted by the system, Jael sought revenge while growing stronger enough to decide his fate and the fate of those who oppose him.