Sin System: Demonic Harem After Reincarnation

Ryan King had it all: billions in the bank, the city’s biggest company, and a beautiful wife. But in one rainy night, he lost everything. Betrayed by his wife and best friend, Ryan was left paralyzed, a prisoner in his own body, forced to listen as they spent his money and plotted his murder. For six months, he was a vegetable. A silent witness to his own destruction. Then, they made a mistake. They killed him. But death wasn't the end. As his heart stopped, a blue light pierced the darkness. [SYSTEM ACTIVATED] [HATRED LEVEL: MAXIMUM] Ryan wakes up with a second chance and a mysterious System that grants him god-like abilities in exchange for one thing: Vengeance. Now, the man who couldn't move a finger can control technology, crush bones, and manipulate the stock market with a thought. He won’t just take back his company; he will burn their world to the ground. They thought he was a broken shell. They are about to find out that they just woke up a monster.

When Ethan, a long-time employee at a renowned company, was fired on charges of theft and embezzlement, his life fell apart. Intending to ask for a raise, Ethan instead received a dismissal letter. His misfortune continued when he got a call that his mother was in critical condition and then caught his girlfriend cheating with his own boss. Publicly humiliated, Ethan felt his life hit rock bottom. In his state of chaos, a meteor suddenly fell right next to him, unnoticed by anyone else. From the meteor, Ethan's phone emitted a mysterious system that allowed him to get whatever he wanted by completing missions. Each mission completed not only brought him money but also power that transformed his life.

Atticus, betrayed by his own kingdom, faces the wreckage of a life once held dear. With his wife and unborn child casualties of a dark plot, he's left broken. But the legend of Atticus is just beginning, for Amsodeus, the devil of chaos, grants him a second shot at life, a chance for revenge and the emergence of the Reaper system that helps him get Stronger with the blood of his enemies. ****** Atticus clenched the soldier's neck, his gaze unwavering as he confronted him. A sudden prompt echoed in his mind. "Primal energy detected, absorb?" "Hell yeah," he responded. The soldier in Atticus's grasp unleashed a gut-wrenching scream, red marks enveloping his entire body as his mass dwindled. Atticus felt an insatiable hunger as his body absorbed the energy, leaving the soldier lifeless. Onlookers in the battlefield shuddered as they witnessed Atticus holding his comrade, draining his body mass. It was in this moment that the other soldiers grasped the reason behind his ominous title—the Reaper.

When Arthur was humiliated and beaten, he had only one thing: the system. This system, granted by the Goddess Alice, was not meant to save the world, but rather to build a harem and amass wealth through lewd quests. From intimate touches in the library to breaking into the Immortal realm in other worlds, Arthur had to embrace his deepest desires to reach the pinnacle of power. Arthur must conquer all rivals, Gods, and his creator goddesses, while maintaining the loyalty of his ever-growing harem. Will he become a hero or a monster driven by lust?

She betrayed him. He vanished. Now he’s back—with silence, power, and a system she never knew existed. Two years ago, Adrian Cole gave Jessica Benson everything—his name, his loyalty, and his love. She gave him lies, a divorce paper, and a broken heart… all for another man. Now, everyone believes Adrian disappeared without a trace. But the truth is darker. After a near-death betrayal, he awakened a Secret System—one that feeds on silence, pain, and precision. He returns with nothing but a quiet fire in his eyes. No explanations. No revenge plans on paper. Just missions, silent upgrades… and a heart growing colder by the day. Jessica? She’s falling apart. The man she left behind is rising—untouchable, unreadable… and more dangerous than ever. But the System knows her secrets. And Adrian’s silence may be the last sound she ever hears.

Once, he was the God of War of the Ninth Heaven—the ruler of the gods’ battlefield. Now, he awakens in the modern world as a man without power, without status. He married a distinguished woman, Rachel Corriere. For three years of marriage, Ares indeed had no job. Considered useless, he was ultimately discarded like trash. When his wife chose another man, his divine seal began to crumble. Memories of war returned. And the God of War awakened. What will happen next? Will Areskael retaliate against the mistreatment he received from his ex-wife?

​"Leo, look at yourself. You’re a delivery boy in a clown suit. I can't have a future with a joke." ​Those were the last words Sarah said before she accepted a diamond ring from the richest heir on campus, Marcus Whitmore. Standing there in a literal red nose and oversized shoes, Leo Carter was the laughingstock of Eastgate University. He had spent two years working double shifts to support her, only to be discarded like trash in front of hundreds of cheering students. ​Heartbroken and humiliated, Leo prepared to disappear into the shadows—until a cold, mechanical voice resonated in his mind. ​[Supremacy System Initializing...] [Host Qualification: Confirmed.] [Task: First Face-Slap. Objective: Humiliate Marcus Whitmore in public.] [Reward: $10,000. Penalty: System Disappointment.] ​Suddenly, the "clown" isn't just delivering food anymore; he’s delivering retribution. ​With a bank account that explodes with every arrogant jerk he crushes and the "Campus Queen" Lena Hart by his side, Leo begins a ruthless climb to the top. From a cramped, peeling apartment to the heights of global power, he will dismantle the empires of those who mocked him, one "task" at a time. ​Marcus has the money. Sarah has the beauty. But Leo? Leo has the System. The show is over. The King has arrived.

"You said money is God in this world? Then prepare to bow before mine." Sean Alexander was nothing but an ant, a loser forever trampled under the boots of the city's elite. As a struggling courier, he slaved away eighteen hours a day just to fund the lavish lifestyle of his fiancée, Sophia. But his loyalty was met with the foulest betrayal. With his own eyes, he watched Sophia moan in the arms of his own boss, Viktor Vane. Framed as a criminal, fired, and left to die in a dark alleyway, Sean should have taken his last breath that night. Instead, his blood spilled over a mysterious heirloom coin, triggering an impossible evolution. Suddenly gifted with eyes that can see the true price of everything, from ancient artifacts and stock market fluctuations to the darkest secrets of the human soul, Sean begins his crawl out of the hell that once shackled him. He is no longer the victim; he is an economic predator, capable of collapsing global markets with a single flick of his finger. But boundless wealth carries a curse. Sean soon realizes the world is built on more than just currency, secret organizations and supernatural power-users are lurking in the shadows, hungry for the System he possesses. As the world falls to its knees, Sean lives by one rule, "To those who belittle me, I will buy your dignity. To those who oppose me, I will pay the price for your life!"

Sardat Vettel is an errand boy for the Skull Gangster, who always has his pride trampled on. He rose from adversity after getting the Spin System. [Spin system installed! Today's Spin Prize....]

When pharmaceutical genius Dr. Alex Chen dies in a lab explosion, he awakens in the body of Xiao Feng—the "useless" third young master of a declining cultivation family. Crippled meridians, endless humiliation, and a legacy of betrayal await him in the ruthless world of immortal cultivation. But Alex brings something no cultivator has ever possessed: modern scientific knowledge that transforms ancient alchemy into an unstoppable force. Bound to the mysterious **Revenge System**, he's compelled to settle every grudge from his host body's tormented past. Each completed mission unlocks devastating alchemical formulas and forbidden techniques. Where others see mystical pill recipes, Alex sees molecular structures. Where masters take decades to master basics, he revolutionizes millennia-old practices overnight. **"Impossible! How can a cripple create Heaven-grade pills?"** From the scheming cousin who sold him out, to the corrupt elder who murdered his friend, to the demonic lord who destroyed his family—every enemy will face his calculated wrath. But as Alex climbs from the sect's bottom to the realm's peak, he discovers the System's true purpose isn't justice. It's harvesting. Armed with explosive compounds disguised as cultivation pills, poison antidotes that shouldn't exist, and breakthrough elixirs that shatter natural limits, Alex must master both revenge and romance. The brilliant Mei Ling captures his heart, but can he trust her when everyone has hidden agendas? **In a world where strength determines everything, the strongest weapon isn't a sword—it's science.** Will Alex break free from the System's control and forge his own destiny, or will his pursuit of revenge consume everything he's fighting to protect? *Power. Revenge. Redemption. The formula for immortality has never been deadlier.*