The Incubus System

Lein has to pay for his mother's medical treatment, but he was fired from his job for an unreasonable reason. At the same time, his girlfriend betrayed him by sleeping with a rich man. This made him lose his reason to live. However, when he fell into despair, thinking that the world hated him, the system suddenly appeared in his vision, giving him a chance. "I was given a chance to take revenge on those who once looked down on me?!" Follow Lein's journey to become an invincible man.

On his luckiest day, Oliver died feeling betrayed. The world on the day of death becomes a scary world. The zombies appear and carry out attacks on humans, Oliver dies by zombies with feelings filled with rage. When he opened his eyes again, Oliver knew he was alive before the attack began. Luckily, Oliver got an apocalypse survival system that could help him survive this apocalypse. Oliver gains strength and knowledge of what happened. He vowed that he would survive the unfolding apocalypse and only those he cared about would protect him.

Caden Kelly was an ordinary university student struggling with debt, an exhausting part-time job, and a mundane life—until one fateful night when he received a mysterious System Activation. Suddenly, he could see stats, unlock abilities, and receive quests. But unlike conventional systems, his came with an unexpected perk: The Bonding System—a unique ability that allowed him to grow stronger through relationships with women. With this newfound power, Caden is thrust into a world of hidden sects, ancient legacies, and dark conspiracies. As he navigates his way through increasing power struggles, he begins to uncover a shocking truth: the system wasn't just a gift—it was a curse with a purpose.

SYSTEM: Attention on the past equals zero power. Attention on the future calculations levels up. Attention stat uncertain. [Quest: Clean this Mess. Reward: +1 Strength, 5 XP.] When he completes it, he feels a strong physical move of energy. ... Admitted to his dream university, Robert thought his biggest fight was for survival on campus even while people took him to be a random 'Ordinary Schoolboy.' He found himself in a strange world of the diggers and learnt that his most scorned skill, mathematics could be the only system that would save him and make him pay attention to the future. Finally, he needs the best attention stat.

Betrayed by his girlfriend and humiliated by a wealthy heir, Justin, who had come to the big city to study alone, experienced yet again the importance of money. Just as he reached the depths of despair, he heard... Super Rich System: "Master, please use money to beat her face swollen!" Super Rich System: "Master, your task is to spend ten million dollars within two hours!" ...

Prologue   Maverick Michelson, a young man in his early twenties who was struggling at the bottom of society had his world shattered when his family died and he learned that his girlfriend used and betrayed him.    Weak and without strength, he was going to be cruelly tortured to death after learning about his girlfriend's betrayal but at that time, a mysterious artifact hidden within his soul called a system awakened and granted him the strength to free himself and escape.     Maverick had lost his family, and his love and no longer had the will to live but with the help of the system, not only did he rise from the ashes, he also attained the capital to seek revenge.      Maverick strives to attain strength with the system to seek revenge and make his girlfriend and all those who were involved suffer a fate far worse than his family had.

Beaten, branded, and left to die in the ruins of a fallen city, Kael Thorn should have been forgotten, another nameless slave buried under dust and debt. But when lightning strikes the ground beside him, a strange voice awakens in his mind: “System of Judgment Activated. Sin Level: 0. Begin the Trial.” Every injustice he exposes gives him strength. Every corrupt soul he judges feeds the power within. From the gutters of the empire to the throne of its ruin, Kael must choose, become the hand of justice or the monster the world made him. Because in a land where sins are currency, even redemption demands blood.

Luck was never on Travis' side. He was bullied for being poor, fat and ugly. He also never felt the warmth of a harmonious family even though his parents were still complete. Being beaten and humiliated was his daily bread. He was also accustomed to getting a lot of bad luck. One day his bullies beat him up so badly that Travis almost lost his life. He thought, death is much better than living in misery. However, a system suddenly came to his help him.

Nathan Hunt, a young man burdened by his father's debt and trapped in a loveless marriage to the daughter of his tormentors, finds his life turned upside down when a pair of inherited dice unlock a powerful family secret - The Fortune System (FORST). This sentient system promises wealth and freedom, but at a cost: weekly challenges with unpredictable rewards and punishments. Driven by the promise of vengeance and a desperate need to reclaim his life and rescue his sister who's also a slave with his in-laws, Nathan embraces the FORST's gamble. Each roll of the dice unlocks not just wealth, but the perfect means for retribution and revenge. It's time to take revenge, time to take over their world, time to make them pay.

His wife approached and married him because her family thought he was part of the city’s most famous and wealthy family but when his wife and her family found out that Andrew was a bastard child, they mocked and looked down on him. Due to him being poor, everything he knew and loved disappeared. Beaten to death, Andrew was left with no breath until he was struck by a mysterious force of lightning granting him a system. [Congratulations Andrew Raine. You have been selected as a host for the TRILLIONAIRE SYSTEM] A ding and a notification bar was all Andrew needed to change his life. With the force of the power granted by this system, He would trample on everyone who has ever mocked him, rising to the top with great speed.