Sin System: Demonic Harem After Reincarnation

After been killed by his cheating girlfriend's heartthrob, Donald finds himself reincarnated within the body of a weak hunter in another universe. He somehow is bestowed with a system upon his death and got transmigrated by its powers. In this apocalyptic world where monsters and demons thrive, Donald must complete every mission the system asks him to do in order to become more powerful and have his revenge on those who scorned him—even if he has to destroy the world to achieve this. And even if he has to become a villain to become more powerful, he is willing to walk that path. After all, humanity is already sunken beyond redemption. This is the purpose of the system—the Renegade System with which he awakened!

​Arlan Mahendra was born a "mistake"—an illegitimate son destined to be trampled by his elite half-brother and the ruthless Mahendra family. Beaten, bankrupt, and left to die in a rainy alleyway while his mother lies on her deathbed, Arlan screams for justice. ​The Universe answers. Not with a guardian angel, but with a cold, digital ledger. ​[System Activated: Karma Debt Collection] [Target: Julian Mahendra] [Debt Status: Unpaid. Penalty: Seizure of Lifespan and Luck.] ​Armed with a system that turns every insult, bruise, and betrayal into "Debt Points," Arlan rises from the gutter. He discovers he can forcibly collect "payments" from those who wrong him—stripping away their health, their talents, and even their remaining years of life. ​He doesn't want an apology. He doesn't want peace. He wants to audit the world. ​From stealing the vitality of arrogance billionaires to seizing the luck of corrupt geniuses, Arlan becomes the world's most terrifying creditor. ​They say revenge is a dish best served cold. For Arlan, it is simply a transaction. And everyone is about to pay up.

In a world filled with monsters and demons, hunters are the ones who protect humans from the relentless attacks of these creatures. They are admired and respected in society and have access to any service. At least almost all of them. Fanel is a hunter considered the weakest and is therefore despised and mistreated by all. Despite his strength of will, his physical weakness and lack of talent persist. But during a mission in a dungeon, he receives an unexpected offer from the system, thus obtaining a unique ability: the God Hand. This faculty not only gives him phenomenal power but also allows him to become the most powerful hunter. But the system has a condition to this power, Fanel will have to punish other hunters who have turned away from their role as hunters to exploit normal humans Fanel must now navigate this dangerous world as the self-proclaimed enforcer of justice. He will not only have to fight monsters and demons but also hunters while hiding the identity of the famous punisher he now embodies.

##"Warning: This story contains dark themes, psychological manipulation, and R-18 content. Not for the faint of heart."## Twenty years of service. A lifetime of being the shield for those who called him "trash." Kaito Kiryu was the FF-rank "failure" of the 109 summoned heroes. While the S-rankers basked in glory, Kaito spent two decades mastering the laws of matter and science to keep them alive. He was the backbone of the Hero Party—until the moment the Demon Lord fell. At the peak of victory, the "friends" he protected turned their blades on him. But that wasn't the end, regressed back to the past, to not only destroy those who betrayed him, but to protect those who loved him. But at the face of old terror new terror shows up, constant death and rebirth... Until his 4th life, this time With the power to manipulate Space, time and matter and a System that rewards the subjection of his enemies, the Architect of Ruin has arrived, to ruin the empire that once shaped him. Follow Kaito/Yasha's descent as he dismantles the empire that never made him rest.

Finding out you're not the original person but the clone of someone is no easy thing. Try surviving it with zombies on your tail

Leonard Fincher lived at rock bottom. He worked relentlessly and sacrificed himself, yet all he ever received was humiliation and failure. Until the day he returned to the city and awakened a mysterious system: Infinite Returns: Investment Rebate System. Help someone? Receive a rebate. Make an investment? Get returns multiplied many times over. Do good deeds? The system rewards him. From a poor man with no future to someone impossible to ignore. Those who once looked down on him would soon realize one thing, Leonard Fincher was no longer someone they could reach, let alone touch.

Caspian was a gaming genius with a bright future—until he got stuck inside one. Now, in a world where your destiny is a weapon, he’s been given a wooden stick. Mocked and hopeless, he joins the worst guild alive. But Caspian has a secret: he knows this is a game. And his joke of a weapon levels up. Twenty years ago, a god promised to return and wipe this world out. Time’s up. And the only player who knows how to win… is the guy holding a stick.

The man let out a sudden laugh, broken and relieved, that escaped from deep in his chest. Tears began to fill his eyes, joy replacing the panic that had consumed him moments before. “Five million bitcoin,” he declared, his voice shaking with emotion. “That will be your reward.” Lucas blinked slowly, trying to process the words. “Five million bitcoin?” he asked cautiously as he did not even know the worth of it in dollars. “What does that even mean? Can I at least get a decent meal with that tonight?” The young woman swallowed hard, still staring at him, her lips trembling slightly. “It means,” she said softly, “your life has just changed forever.” Lucas frowned, confusion and disbelief across his face. “How?” he asked, his voice barely a whisper. She hesitated, taking a deep breath before speaking again. “Five million bitcoin is worth Three hundred thirty-five billion, eight hundred thirty-one million, six hundred fifty thousand dollars. ” Lucas froze completely. The world spun beneath him. His vision blurred. 335, 831, 650, 000.00 dollars?? The sound of rain outside disappeared, all he could hear was the sound of the figure echoing in his ear.

Dominic Heathley's life is spiraling out of control. Juggling multiple jobs barely keeps him afloat, but it's not enough to save his terminally ill mother or get his disabled sister the urgent medical care she needs. To make matters worse, the love of his life leaves him for another man, and a vengeful young multi-millionaire blacklists him, costing him every job he's got. When loan sharks, in a bid to make him pay up his debts, abduct his sister and abandon his mother to die, Dominic's already fragile world collapses. He fails to save his mother and arrives too late to rescue his sister, with their estranged father refusing to assist in any way. Overwhelmed by grief and guilt, Dominic chooses to end his life. But death isn't the end. An ancient power, the Rune System, greets him on the other side, reviving him with a new purpose. Resurrected and renamed Draàl, the Crimson Knight, he's been given powers and abilities beyond his imagination and tasked with a monumental mission in the physical realm. Little does he know, there are others with their own unique Rune Systems, and their mission is to stop him at all costs.

In a city where the law is absolute, Darion Vexel found a way to cheat. His System doesn't reward success—it rewards the impossible crime. The more high-profile his arrest, the more powerful he becomes. But as elite investigator Isavelle Korrin closes in, she realizes Darion isn't just a criminal; he's a pawn in a game far older than the city itself. To survive the rising shadows of a secret organization, Darion must keep getting caught, even if the next prison cell is his grave.