The Incubus System

Story concept A young man named Leon Ardendale, the prince of Eldoria's small kingdom, lived as a waste after his father was couped by his stepbrother. Lunta in the wilderness, Leon almost died before suddenly a Arkana system woke up in his mind. This system gives him access to ancient knowledge, high -level magic spells, and extraordinary survival skills. However, there is one weakness - every time Leon uses his system to gain strength, he must pay the price, both in the form of pain, sacrifice, or losing something valuable. With the determination to reclaim his throne, Leon began to undergo an epic trip to master the arkaneum, a hidden magic system that could only be used by those chosen.

Betrayed by his lover and best friend left Reynard devastated, when he thought they were the reason he could survive in this cruel world, they confirmed that the world was never in his favor in the first place. Because of his disappointment, Reynard jumped off the balcony of his apartment, killing himself. When he wakes up, he is no longer on Earth or in the afterlife, but in the world of Isekai, a world filled with magic and all the nonsensical things that happen in it. How can Reynard survive in a world that follows the law of the jungle, where the strong are kings and the weak are losers? He has a system that can make him the strongest in the Isekai world, the Supreme System. [Supreme System activation process] [Activation complete!] [Name: Reynard Fillmore] [Age: 7 years old] [Level: 0 (0/10 EXP)]

A young man, broke because of his ex-wife's betrayal, is given a system that will give him unimaginable wealth after he completes a series of trivial tasks. Jack Eldrone must endure immense heartache and shame when his ex-wife is crowned Businesswoman of the Year with the fortune she secretly took from him. Desperate, Jack contemplates giving up on a life of futility, when one day a mysterious man arrives with an offer he finds absurd... Travel to another world and become a special bodyguard! "If you complete the mission successfully, not only your ex-wife, but even the richest man in the country will bow down before you!" Will Jack refuse the offer? But if he does accept, will he be able to complete his mission?

For Louis Moreau, cooking was an art, a way of life, and love itself. He never imagined that the love he fought for would betray him in the midst of a lavish party. Humiliated, jobless, and destroyed by the person he loved most, Louis chose only one path: to return as a winner. From a small kitchen in the corners of Paris to Michelin-starred restaurants, Louis proved that the best revenge is success. But at the height of his triumph, the past comes back to haunt him. Celeste reappears in his life—bringing a secret that could either destroy everything or save it. Will Louis stay on his path? Or does his heart still hold space for the love that once betrayed him?

Being someone who is always used by others, is always looked down upon because he has no power. It was a normal thing for Raphael Salazar, from the very beginning he was alone in this world, he longed for recognition from the people around him. Naive, innocent, trusting others too much, and not having the heart to say no, that's how Raphael lived his life all along. Raphael knows he is only used by the people around him, they see him easy to beat because he is an orphan. Until finally, Raphael who was fed up with all the unpleasant treatment, when he decided to rebel and think more about his own life. However, Raphael ended up dying because of that choice. Just as Raphael had given up on his life and was about to accept his death, he heard a cold, robotic voice ringing in his head. [Do you want to take revenge on them? I'll help you to make it happen, this offer is only valid once. So, will you accept my offer?]

Desmond Emmanuel is an orphaned son-in-law who is constantly underestimated, belittled and always humiliated because he is poor and looks ordinary; his wife even cheated in front of him and she ended the relationship. But a shocking event happened when Desmond was at his lowest point. *** [Ding!] [Super Crazy System successfully installed!] "It's time to Become Almighty!"

Betrayed by blood. Hunted by the system. Chosen by something greater. Kieran Blackwell was born to rule—but cast aside before he could even speak his name aloud. Branded a disgrace. Forgotten by his powerful family. And when the city turned its back on him, he fell—hard. Until a desperate click on a mysterious link activated a long-buried system... not just any system—the Legacy System. A weapon forged in secret to control destinies, rewrite bloodlines, and silence those who rise outside the script. But Kieran is no obedient heir. Now hunted by Override enforcers, haunted by forbidden Echoes, and bound to a system that may be rewriting him from the inside, Kieran must uncover the truth of his bloodline, master a broken power, and decide: Will he play the role they wrote for him—or shatter the story altogether? Perfect for fans of weak-to-strong arcs, ruthless betrayal, and systems with hidden agendas, this is your next obsession-worthy dystopian fantasy.

Mu Qiu jolted awake, the stench of decay filling his nostrils. He wasn't in his old apartment; he was sprawled on cracked asphalt, surrounded by the moans of the undead. He was reborn in the apocalypse. Worse, his body, dormant for two years, had mutated. He was a Corpse King, an apex predator with the power to devour and assimilate. Then, a voice echoed in his mind, clear and precise. [Congratulations, Host! You have successfully bound the Supreme World Sign-In System!] [You have arrived at your first sign-in location: Ravaged City Center. Reward: Holy Lord's Demonic Energy.] Mu Qiu stared at his clawed hands, the flesh pale and cold. A system? In this hellhole? [Next sign-in location: Mutated Zombie Hive. Estimated time: 12 hours.] [Daily Quest: Devour 100 Lesser Undead. Reward: Evolution Points.] [Status: Corpse King - Level 1. Evolution Points: 0. Demonic Energy: Acquired.] [Inventory: Empty.] He could see the information floating in his vision, like a translucent screen. The world was a nightmare, and survival as a human was impossible. But as a Corpse King with a system? That was a different story. [Would you like to absorb the Holy Lord's Demonic Energy?] Mu Qiu's jaw clenched. Yes. [Absorption commencing...]

Abel was beaten nearly to death by school bullies for daring to ask out the school belle. On the brink of death, he was saved by a mysterious entity, the Super Versatile System. It merged with him, granting him powerful skills and abilities. At first Abel thought he was special and is the only one with special abilities. That illusion shattered when he was exposed to the supernatural world. Even worse, his father was taken by powerful, unknown beings, and his fate remains a mystery. Dead or alive, no one knows. Determined to grow stronger and rescue his father, Abel swore to make the most of his new abilities. To upgrade his system faster, he had no choice but to join the entertainment industry as a boss figure. But when night falls, he becomes something else entirely, an executioner, hunting and killing the demonic beings that have escaped from another realm.

> “When the world ended, my system turned on.” One moment, Rayen was an ordinary college dropout. The next, he was running from bloodthirsty monsters in a city that once pulsed with life. The Z-Virus didn’t just kill... it evolved. Streets are ruled by undead hybrids. Cities have collapsed into graveyards. And hope? Extinct. But just when Rayen is about to die—a blue screen flashes. [Survival System Activated] 🧠 Unlock Skills 🔫 Craft Weapons 🧬 Evolve Beyond Human Now, every kill makes him stronger. Every choice can lead to power—or death. But there’s a darker truth behind the virus. One that’s tied to Rayen’s own blood… In this new world, the only way to live is to kill. Let the survival game begin.