Sin System: Demonic Harem After Reincarnation

Reyan Sen died on the last day of school. Bullied for being powerless in a world that values strength, his life ended quietly—without meaning, without justice. But he woke up again. This time, as something no longer human. A strange system bound itself to him, turning him into an Undead being that must consume souls to survive. The world Reyan returns to is one shaped by an alien war. Humanity learned to use supernatural abilities to fight back, building military academies and power rankings where the strong are trained and the weak are discarded. Reyan has no place in that system. If the truth about him is discovered, he won’t be recruited or studied—he’ll be executed. As another war approaches and forgotten myths begin to surface, Reyan is forced to choose between holding onto his humanity or embracing the thing he’s becoming. To some, he may become a protector. To others, a monster. And to the forces that erased his kind from history… He is a mistake that should never have returned.

After a humiliating public betrayal by his closest friends and girlfriend on his graduation day, 24-year-old Eliot Reyes hits rock bottom. Once a brilliant software developer with dreams of launching his own startup, Eliot is left broke, jobless, and heartbroken. Just as fear threatens to consume him, a strange voice appears before his eyes: > "Welcome, Eliot Reyes. You've been selected for the Destiny Reboot System. Do you wish to reboot your life? [YES] / [NO]" With nothing left to lose, Eliot accepts. Suddenly, his world changes. Will he become the man he once dreamed of, or the monster his enemies fear ?

Draven Kane, former Crimson Knight of Voldimore, is executed for the massacre of his own clan — a crime manufactured by Maren, the clan healer who believed she was saving him. Reborn through the Blood God System, an ancient imprisoned entity sealed inside the Kalu bloodline for six generations, Draven discovers that every enemy he absorbs makes him permanently stronger. But the system is not his. Shikakiro, an ageless architect who has been dismantling bloodlines for thirty years, has partial access to everything Draven feeds it through a hidden sigil placed without his knowledge. As Draven fights to grow faster than Shikakiro can harvest, manage a Corruption threshold that risks silencing his dead clan’s voices forever, and navigate a city that has been publicly storied against him, he returns to Voldimore with one question that matters more to him than revenge. Did Elara choose to believe the frame Maren built around him — or was she simply handed a weapon and pointed? The answer to that question will determine whether the man who came back from the execution ground still exists, or whether what the Blood God System is making him has already replaced him entirely.

After suffering from a tragic accident, Theo gets transmigrated into a new world of magic. He must now triumph over other geniuses and rise to the peak. . . . I retain copyright to the book cover

Despite being dedicated to his job for several years, Asher Parker, a master mechanic, continues to be looked down upon and mistreated. Asher is only paid below the minimum wage standard. As if fate truly hates him, Asher discovers that his girlfriend, who has been taking most of the money from his salary, has cheated on him and broken up with him. Amid his despair, Asher experienced something out of his mind. His life was about to change drastically. [RING!] [Do you want to accept the consortium system? Yes/No] [Open mission: spend all the money available to change your fate. Become a super urban man!]

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.

Drax was betrayed by his wife and his soul swapped with a useless son-in-law. What happens when he's stuck in his new world?

“Elias Rowan.” “You have been chosen as the successor of the Monarch Crown.” “The Crown binds wealth, influence, and hidden authority across nations to its bearer.” “Those tied to the Crown yield to your command.” “For every ten billion dollars you spend, the Crown ascends unlocking new tiers of sovereignty, protection, and reach.” “Spend and your rule strengthens.” Elias’s phone buzzed in his pocket. ALERT: +$10,000,000,000.00 Ten billion dollars. The Halstons allowed their daughter to marry Elias Rowan because his family was filthy rich, but when the Rowan family lost everything, Elias became filth in their eyes and was treated with complete disdain. Tired of being connected to a “loser,” they crafted a grand plan to eliminate him and marry their daughter off to someone else. But fate had other plans. At the brink of death, after losing all hope, Elias came into contact with the Monarch Crown System. Now, watch as Elias rises and reduces those who once mistreated him to nothing.

The Rise Of Maximus Prime He was wrongly accused and he suffered gravely for it. He lost everything, family, friends, partners etc. But as faith would have it, he is gifted with a system that changes everything.

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]