Sin System: Demonic Harem After Reincarnation

Betrayed by those closest to him, he lost everything—his career, his love, and his pride. Yet fate grants him a second chance: a mysterious system that gives him the power to exact revenge and rebuild his life. With every mission completed, he edges closer to the pinnacle of wealth and power. But amidst his ambition, unexpected feelings stir for the woman who once betrayed him. Will he choose the path of perfect vengeance—or open his heart to the love he thought was lost forever?

Caleb Davis never imagined his dream of becoming an actor would turn into a daily fight for survival. After years of playing nameless background roles and chasing auditions that went nowhere, he was just another face lost in the crowd. Fame felt like a distant fantasy — until one unforgettable night changed everything. In the middle of chaos, a strange voice echoed in his mind: [The Film and Television Martial Emperor System has been activated.] From that moment, Caleb’s life turned upside down. The system gave him the ability to gain real martial power through the roles he performed. Every time he stepped in front of the camera, he didn’t just act — he lived the part. When he played a warrior, he learned their strength. When he played a monk, he gained their discipline. And when he played a villain, he inherited their ruthless will to survive. As his skills grew, so did his fame. But the deeper he sank into this new world, the harder it became to tell where acting ended and reality began. Enemies from the industry, hidden powers, and mysterious figures started to take notice. Now, with his rising fame and the system’s power pushing him forward, Caleb must walk a path between illusion and truth — where one performance could change not only his career but the fate of the entire world.

Betrayed at the peak of his power, warlord Kael Draven dies with his brother’s blade in his back and his wife’s laughter in his ears. But death is not the end. Reborn fifteen years in the past, Kael awakens with the Devil’s Rebirth System; a curse that grants him strength for every drop of blood he spills. Every betrayal avenged, every soul claimed, brings him closer to the power of a god. But vengeance is never free. The more Kael feeds the System, the more it whispers, tempting him to abandon his humanity. To destroy his enemies, he may have to become the very monster they once feared.

Daisuke Hagaromo is a 19-year-old who is completely bored out of life. His bad decisions had gotten him to the worst place he could have imagined when he was younger, and every day of his life felt miserable. He intends to commit suicide in a quick and painless manner, jumping off the roof of the 100-story building with his eyes closed and succumbing to his miserable fate. He dies successfully, but awakens to find himself floating in a void, greeted by a divinely inspired digital system. In exchange for his eternal submission to the system's conditions, the system offers him a chance at a new and more fulfilling life. Daisuke, against his better judgment, accepts the offer and is transported to another dimension of reality. He would be assigned difficult missions and put through impossible trials there, which would later be revealed to be a path to greater life and immortality. ******* This is a system novel set in medieval times with mythical characters and situations. It is NOT a harem, and there are very few sexually explicit scenes. My world building and character development aren't the best, but they will improve with time. I hope you enjoy it, and if you do, please consider supporting, reviewing, commenting, and following. Have a good time!

After being sick and bedridden his whole life, Knox finally dies swearing to be the strongest and happiest person in his next life. He wakes in up in a bizarre world called 'Eden Bizarre' which operates with a soul system. Every soul in Eden Bizarre must level up and complete every impossible task to be reborn in his next life. The only way to end the game is to complete every level or Kill the host. When the system announces that he is a host, knox must hide behind his weakness to save his life. In order for the host to be reborn in a new life, they must kill as many souls as possible or they will die. Will Knox forsake his humanity to be live the life he's always wanted or Is he truly doomed to live lower than dirt? [I do not own the art on the book cover. Artist of the art on the cover: please email if you wish for it to be taken down.]

Kelvin Stewart is a junior high school student with big dreams—becoming a successful, wealthy businessman. However, his life has not been easy. Born into a poor family, Kelvin and his mother were left homeless after their house was sold to pay off his late father's debts. They were forced to live under a bridge. At school, Kelvin was the target of hatred from many students because of his background as the son of a scavenger. Every day, he was attacked with harsh words, humiliated, and often even tortured by student named Zico and two of his men. One day, in a quiet alley on his way home from school, Kelvin was brutally attacked by Zico and his men. His body was almost destroyed and he had almost lost hope, but at the last second, he unexpectedly obtained a system that saved him from death. Without that system, he would never have had a chance to survive. However, the question is—what will happen to Kelvin Stewart's life after he gets the system?

After being killed at the last level, Lucius suddenly woke up and found the recovery system in his body. Lucius restarts the game from the lowest level, then becomes the 'chosen one' who is taken to the Central Control Tower. Ever since arriving at the Central Control Tower, one fact was known: all players were guinea pigs of virtual game worlds created by the elite. Lucius must find a way to escape the virtual game world and destroy the system that will make the virtual game world a reality. How to free himself and all the players from the virtual game world that trapped them? How did Lucius' way and journey destroy the 'main' system in the real world? Under the rule of Dominic, the general manager—the virtual game character controller, their lives are at stake. *** [SYSTEM HAS OFFICIALLY ACTIVE] [WELCOME TO THE CENTER OF THE TOWER, PLAYERS 018! YOU ARE CHOSEN TO BE PART OF THE GAME!] [YOU NEED TO COMPLETE GAME CASES AND COLLECT POINTS LEVELS, STAT, AND SKILLS] [5%... 15%... 35%.... 47%... 67%... 77%... 89%... 100%] [SYNCHRONIZATION COMPLETED!] [YOU HAVE ENTERED A NEW CHAPTER OF THE GAME]

In 2030, the city of London is under attack by monsters. The situation had calmed down, but monsters attacked again in 2050—the year when Narukha was 24. However, who would have thought that the life of an entire city for years was controlled by someone in power? After being trapped by Carl's offer, the boss of the Dimensional Portal, Narukha becomes a player with a system in his body and completes all missions destroying monsters in each level. Not only that, a mystery was revealed: someone among Narukha was the first monster host and had a master system in his body. Narukha must destroy the first monster host and that ultimate system to restore the fabric of human life. [WELCOME TO PORTAL DIMENSI, SOLDIER! GLAD FOR YOUR ACHIEVEMENT TO BE ACCEPTED HERE!] [YOU NEED TO FINISHED ALL THE MISSION TO GOT LEVEL UP 10 AND 10.000 POINT] [WAIT FOR A SECOND...] 0% —> 10 % —> 16% —> 35% —> 57% —> 77% —> 91% —> 100% [YOUR STAT POINT HAS BEEN UPGRADED AUTOMATICALLY] [PROCESSING TO CREATE YOUR MAIN QUESTION AND SUB QUESTION...] [YOUR MAIN QUESTION AND SUB QUESTION HAS BEEN CREATED. HAVE A GREAT TIME FOR DOING IT, SOLDIER!] Narukha was knew that his whole life would changed.

After facing ruthless betrayals in the hands of his wife, who attempted to murder him with the help of her lover, he awakened an amazing system. And now, he's back as a miracle doctor, top assassin, the most popular super star, and a filthy rich business mogul, determined to leave them with a belly full of bile and regrets. However, evil forces arise all around him, trying to suppress his growth. The more he weeds out the evil, the more they sprout up, entangling him in a never ending circle of daredevil adventures. Now Alvin must face the greatest of evil or die fighting, because the system’s gifts never came free. Having a cheat system which gives you unlimited wealth was not the problem, staying alive long enough to enjoy them was.

Humiliated by his wife's family because he is poor, Shane, who gained power from a mysterious ring given to him by his late parents, rises to the occasion and shows that he is both the greatest fighter and the richest man. He begins to change everything. And now it's time for Sean to walk forward to rule the world.