The Great Demon System

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.

Betrayed by his own girlfriend, then framed and eventually hit by a car. He fell into a coma for ten days. Right when he woke up, Ryu Bastian found something floating before his eyes. He thought it was a hallucination until finally several real rewards were given, making him realize that the System was not mere illusion. With the system, he slowly rose. Avenging the humiliation and dominating the world.

[System activated] [I will make these two worlds and their creatures bow at your feet, my master] [Humans, elves, dragons, monsters, dungeons, kingdoms, wealth, power and everything. I will dedicate them all to you, my master] Raff Petterson, a young man who lived a miserable life in the real world. Failure and humiliation were all he got. But the hope for revenge came when the system inside his body activated. He can go to another world and return to the real world with his skills. He doesn't know, all the missions he undertook would lead him to the struggle for the strongest throne in the real world and the other world.

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}.

For Arga Pratama, being an honest police officer in this city feels like living in hell. Time and time again, he uncovers solid evidence to put powerful criminals behind bars—only to watch it all end up in the trash. The suspects? Still partying in luxury bars, protected by powerful “insiders” and bottomless wallets. The breaking point comes when Arga is forced to turn a blind eye after the son of a high-ranking official kills someone in a hit-and-run. Sick of being nothing more than a “guard dog” for corrupt elites, Arga slams his badge onto his superior’s desk. He believes quitting is the only way to remain human. However, the world is far from merciful. That very night, Arga loses the most precious thing in his life. His wife suffers a miscarriage after receiving relentless threats from the syndicate he had been investigating. In the cold hospital corridor, Arga can only sit in silence, staring at the ruins of his existence. No job. No authority. And now… no child. At his absolute lowest point, a floating screen suddenly appears before his eyes: [The Ultimate Detective System Activated.] [Target Detected: Those Who Believe They Are Above the Law.] Arga quickly realizes this is his only chance to rise again. Armed with a system capable of uncovering even the faintest traces of crime, he begins operating as a shadow detective. He does not just want to fix his shattered life—he wants every bastard who ever laughed at him to experience what true justice really means. They once bribed the police to erase evidence. Now, not a single secret can escape Arga’s eyes. Because to Arga, justice no longer needs laws or articles— It only needs flawless execution.

[Warning: This book contains a lot of sexual explicit content. R18] Coyote Watkins’ life has been nothing short of a roller coaster. From a street kid adopted by his idol—NASCAR legend Louie Watkins—to a blacklisted former champion barely scraping by as a mechanic, he’s seen it all. Coyote hit rock bottom after being attacked by a client’s husband for allegedly assaulting his wife. With his car nearly destroyed and his spirit shattered, an impulsive and suicidal Coyote enters an underground race. He wins—but nearly dies in the process when a blinding light zaps into him, ejecting him from the car just moments before it explodes. A few minutes later he awakened to a cyan screen and a voice in his head. [The criteria required for activating the Speedracer Harem System have been fulfilled.] [System synchronization with host commencing.] [Synchronization complete. Congratulations. You have been given a chance to achieve your goal of beating Louie Watkins record.] Join Coyote as he tries to be the greatest NASCAR driver in the world, while having so much fun with women.

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 ?

Hudson Atonal is a college student who worked as a simple bartender who was constantly bullied by his course mates. When he died, he was reborn in a magical world as a slave and was about to be killed. However, he unlocked the Dual empire building system, which allowed him to travel between his modern world and the magical world. With this power, he vows to become a legend and make money while taking revenge on the bullies that killed him. Join Hudson on his journey as he goes on difficult missions to upgrade his powers and become the ultimate dual empire builder.

[SYSTEM ACTIVATION IN 1... 2... 3] [HOST'S REINCARNATION REVENGE SYSTEM ACTIVATION HAS BEEN COMPLETED SUCCESSFULLY] ***** Ethan Wills gets bullied, betrayed, humiliated and heartbroken by everyone around him. The only person who could love him gets killed by his worse enemy and it breaks him to the core. Just when he was trying to make a point, he gets beaten and killed but before he dies, he wishes for a second chance at life and that instantly got him a system. This time, he isn't coming back as the broke ass weirdo, nor a weakling... He is coming back as the GOD OF REVENGE but not alone, he's coming back with his REVENGE SYSTEM: RRS.

Damn! Life just dealt Ashton Myers a bloody good hand. Getting dumped by his lover, Ashton experienced a life-threatening accident. When Ashton awakened, he found himself connected to the Reality-Changing System.