Sin System: Demonic Harem After Reincarnation

Fajar thought his life was perfectly mundane until a 'Love Roulette' system hijacked his mornings, forcing him into public humiliations unless he completes absurd romantic missions. Now, he must survive his social life while accidentally falling for the coldest girl on campus.

Mavis Donard endured three years as the Sonar family's live-in son-in-law, treated worse than a servant. When his wife Charlotte handed him divorce papers while embracing his cousin Lugar, the family revealed their ultimate betrayal, as they framed him for embezzlement and ordered his execution. Left dying in an alley, Mavis awakened the Retribution System, which granted him powers based on every humiliation suffered. With his family's hidden fortune recovered and vengeance protocols activated, Mavis returns to systematically destroy everyone who wronged him, starting with THE SONARS.

Victor, the CEO of Lawen Innovate Group, was cruelly murdered by his family in secret. He comes back to life in the body of his company's office boy while Lawen Innovate Group being taken to bankruptcy threat, his wife having an affair with his brother, and trusted people betraying him. Using the Ultimate Money Revenge system, Victor must complete missions and build a business empire for the sake of revenge. Victor is thrown to the lowest point while living life as Benyard: humiliated, tortured, getting unfair treatment. Only to return to his original body that in danger of dying in the hospital. How does Victor make them get down on their knee and pay for their deeds? * SYSTEM: CONGRATULATIONS, USER! YOU HAVE FOUGHT FOR TWENTY-SEVEN YEARS OF YOUR LIFE. NOW YOU ARE ON THE VERGE OF DEATH SYSTEM: THIS IS THE LAST OPTION, DO YOU WANT TO ACTIVATE THE SYSTEM AND FIGHT FOR YOUR LIFE AGAIN? [YES] [NO]

Smith lost his parents in a car accident, and his brother died some days after. He was left to take care of his sister, who was suddenly diagnosed with a brain tumor. Smith didn't have any money, and his wife would rather spend money to buy a bag than save his sister's life. He was looked down upon and teased in front of all families. When Smith thought it was all over for him, something surged within him: {Congratulations! Welcome to the lavishing system. Warning, you must spend 10 million dollars every day, or else, the system will depart}.

Devansh Magnus is a broke university student, a walking tragedy, and worst of all—the infamous "Leash Lover" of his department. He had spent his days chasing after Aranya Sen, worshiping the ground she walked on, doing anything to get her attention. But in the end, what did he get? She crushed him like an insect. Kicked him aside like a stray dog. And just when he thought life couldn’t get any worse—Ashen Graves nearly sent him to the afterlife. Now, standing in front of a vending machine with an empty stomach and emptier pockets, he dug around, hoping for a chump change. Nothing. Except for one single, 4ucking useless coin. He stared at it, cursing his pathetic existence. Then, out of nowhere—he just started laughing. The kind of laugh that wasn’t funny, that teetered between despair and insanity. "This is it? This is all my life amounts to? Hahaha... Fuck my life." And then—something insane happened. [Ding! Suitable Host Detected...] [Synchronizing Thoughts… The Host’s Personality Meets the Criteria for Fusion…] [Ding! Initiating Fusion…] [Ding! Fusion Complete.] [Counter-Love Wealth System Successfully Activated.] Devansh’s eyes widened as the information flooded his mind. '99 TRILLION' in wealth. More money than he could ever dream of. But there was a catch—he could only spend it on beauties. And if he successfully countered a love attack? He’d get back 10% of what he spent, plus extra rewards. For the first time in his miserable life, Devansh grinned. He had begged. He had suffered. He had been used and discarded. But not anymore. Now, he would bind those untouchable women and turn the game in his favor. He wasn’t chasing anymore. Now, they would come to him.

For three years, Adrian Hale endured every humiliation as the Sterling family's worthless live-in son-in-law. He cleaned hospital floors, suffered insults from doctors and patients, and watched his wife treat him like a stranger. Yet Adrian swallowed his pride for one reason, his younger sister, Lily, the only family he had left. When Lily's leukemia worsens, Adrian desperately needs $500,000 for her life-saving surgery. But the Sterling family refuses to help, his wife ignores his calls, and the hospital director deliberately makes his situation worse. Then, unable to pay her medical bills, the hospital throws Lily out. Moments later, Adrian finds her dying outside the hospital. As Lily takes her final breath in his arms, Adrian's tears turn to blood—and awaken the jade pendant his family has guarded for generations. An ancient physician's legacy enters his mind. The Divine Physician System has awakened.

Three hundred years ago... the sky split open. A wound in reality known as the World Scar connected Elyndra to countless unknown worlds, unleashing monsters, forgotten civilizations, and horrors beyond human understanding. Humanity barely survived. Those blessed with Genesis forged contracts with mythical beings, driving the invaders back and reclaiming their homeland. Then they uncovered an even darker truth. The World Scar would never stop expanding. The only way to save their world... Was to conquer the worlds beyond it. Kalexi Rowan dreamed of becoming one of the legendary Vessels who would lead humanity's advance into the Scar. Instead... He failed his Awakening. His dream ended before it ever began. Branded a failure, mocked by those around him, and destined to remain ordinary, Kalexi prepared to accept his fate. Until the World Scar swallowed him alive. Lost in a world where even the sky felt wrong, he encountered something that should never have existed. 《Welcome, Candidate of Ascension.》 《You have been chosen to participate in the oldest race in existence.》 《Failure... will result in death.》 Granted the Infinite Genesis Archive, Kalexi gains access to an endless library that records every being to have existed across countless realities. He cannot create life from imagination alone—but if he can understand it, and pay the price, he can call its Genesis into reality. Now thrust into a competition against Candidates from civilizations older than history itself, Kalexi must conquer one world after another, survive the judgment of powerful World Wills, and uncover the truth hidden at the heart of the World Scar. Every conquered world raises humanity's limits. Every Genesis carries the legacy of a forgotten existence. Every victory reveals an even greater frontier. And somewhere beyond the final world... Waits the secret that gave birth to them all. Countless worlds.

Jason, a destitute student grappling with the harsh realities of life, is left shattered when his girlfriend callously abandons him for a notorious playboy. Despite Jason's unwavering devotion and genuine affection, he finds himself powerless against her betrayal. In the depths of his despair, a remarkable phenomenon known as "the system" unexpectedly emerges, transforming Jason's existence in an instant. Suddenly catapulted from poverty to opulence, Jason seizes the opportunity to enact retribution against those who have wronged him, empowered by newfound wealth and influence. With the tables turned, Jason embarks on a journey of vengeance, determined to right the injustices he has endured. Yet, as he navigates this newfound world of privilege and opportunity, Jason soon realizes that the path to redemption is fraught with unforeseen challenges and moral dilemmas. Will he succumb to the temptations of his newfound status, or will he emerge victorious, proving that true wealth lies not in material possessions, but in the integrity of one's character?

Logan Kane works as a janitor at the hospital where his wife is employed. On one fateful day, he discovers his wife is involved in an affair with one of the hospital's top doctors. Instead of remorse, his wife berates and demeans Logan, describing him as a husband who is unable to provide for her. As Logan sat next to the hospital's trash can, a black mask fell onto his head. Without hesitation, he donned the mask. Ding! [System installation complete!] [You now possess full medical expertise and receive a 10-billion-dollar advance!] [Help others anonymously as "The Masked Doctor" and accumulate System Points to unlock new abilities! Never let them know your true identity!] [First task: save the life of the Holden family's eldest daughter who is critically ill!]

Betrayed by his boss. Robbed by his girlfriend and finally Killed by fate. He swore never to be a good person anymore. Ethan Carter is given a second chance at life. [Ding: Rage Bait System activated] Now, every insult is profit. Every humiliation is power. And every enemy is a stepping stone to the top. Everyone who once looked down on him would kneel for mercy.