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?

After awakening a mysterious ability to predict events one minute ahead, Tyson Hale enters the most dangerous arena in the world — high-stakes gambling among billionaires. When he defeats the undefeated gambling king Donald Ford, Tyson unknowingly ignites a war that stretches across casinos, corporations, and underground empires. But power comes with enemies and someone out there is beginning to realize… Tyson always knows what happens next.

The world shattered overnight, replaced by a zombie infested post apocalyptic hell. Raka Pratama, an ordinary man whose life had always been looked down upon, woke up amidst the chaos with a mysterious 'System'. This System transformed every zombie he killed into EXP and every decision into a new skill. However, Raka soon realized that he wasn't the only 'Player'. In this new world, humans could be more dangerous than zombies. As he faced constantly evolving mutants and power hungry human factions, Raka began to uncover the dark truth behind the System: that Earth was merely a playground for higher entities. Raka had to choose between saving humanity or becoming an absolute ruler atop the ruins of civilization.

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.]

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]

Kelvin Stewart thought his life ended when his body was tortured inside a burning barrel. At the moment he had accepted his fate, the Life System came and resurrected him from death. Unluckily, the Master of the Dark System did not let him breathe freely. Hunted like an animal, Kelvin was forced to flee as far as possible, until he was stranded in an isolated tribe that was not even touched by a little bit of signal. What is his story like?

The world would forever trample upon the weak, disregard the poor and cast aside the broken. Nathan learned that lesson the hard way, bleeding out on the cold floor, begging for a love that had abandoned him and wishing for wealth with nothing but a name no one respected. But ashes don’t stay silent forever. When betrayal strips him of everything and leaves him with only rage and a loaded gun, Nathan stops running. He steps into the shadows he has always been afraid of. Now, he is back as a different man. They called him broken. Now they call him boss. They looked past him before. Now they bow when he enters the room.

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.

Saddam was just a struggling courier in snowy Munich until the fabric of reality tore open. Trapped between shadow wolves and certain death, a mysterious System awakens within him—but it is not the warrior path he expected. To survive the extra-dimensional Rifts, he must synchronize with the city coldest protector: Captain Felisa von Schwarzwald. The catch? Synchronization requires physical touch and emotional resonance. Now, a lowly courier must navigate deadly monsters and the even deadlier gaze of an Ice Queen who could freeze his heart—or melt it. In a world of chaos, their shared heartbeat is the only weapon that matters.

The world was gifted with Systems. Evan Cross was left with nothing. After enduring eleven grueling years of the apocalypse, only to be murdered by his own sister, Evan wakes up back in his sixteen-year-old body—thirty days before the Awakening begins. This time, there is no System waiting for him. Instead, he awakens something impossible: Authority. He can’t level up, and he can’t even see his own stats. But he can see everyone else's, and more importantly, he can rewrite them. With the end of the world looming and a mysterious Administrator tracking his every move, Evan has one singular mission: save his sister before history repeats its tragic cycle. In a world governed by the rules of Systems, the boy who lives outside them might just be the most dangerous person alive.