Reincarnated As The Diabolic System

Logan Kane works as a janitor at the hospital where his wife is employed. On one fateful day, he discovers his wife is involved in an affair with one of the hospital's top doctors. Instead of remorse, his wife berates and demeans Logan, describing him as a husband who is unable to provide for her. As Logan sat next to the hospital's trash can, a black mask fell onto his head. Without hesitation, he donned the mask. Ding! [System installation complete!] [You now possess full medical expertise and receive a 10-billion-dollar advance!] [Help others anonymously as "The Masked Doctor" and accumulate System Points to unlock new abilities! Never let them know your true identity!] [First task: save the life of the Holden family's eldest daughter who is critically ill!]

The fight over the inheritance ring between rich families leads to bloodshed. The Reims family, which has the strongest ring, becomes the leader of a rich family. However, some wealthy families wanted more, so they tried to bring down the Reims family. A power struggle begins to occur, the rich heirs try to get all the heir rings, hoping to become number one. Who will win the throne?

Austin's life was almost on the brink of death before a foreign wealth money system appeared on his head. Expelled from his family, cheated on by his wife, treated as trash at his job, and belittled for being a son-in-law with an office boy job and mansion maid for a conglomerate family, Austin had the worst life ever. When all that happens, Austin turns life around and makes a fortune at the snap of his fingers. Then Austin meets Rudolf, a famous trillionaire, who secretly asks him to run a business together. Austin prepares to pay for the treatment of the people who underestimate him behind the disguise. [Ding! Welcome to the multi-income billionaire system, User!] [You have received a remittance of USD 50,000,000 in your account]

James, a hard-working janitor, his life is shaken when he sees Sofia, his girlfriend, cheating on him and choosing Max, the son of the director of the hospital where he works. Shortly after being fired and betrayed, a disaster befalls James. As he is knocked down by heavy rain and strong winds a huge billboard hits him. Something magical happened. A system of God power awakened within James, healing his wounds and giving him incredible strength. The system revealed that James was a God who had long lost his memory and was now active again. He has unrivaled magical healing powers. With his new powers, James embarks on a new journey to find the truth about himself and fight for what is rightfully his. He will prove that he is not the useless weakling they think he is and avenge those who have wronged him.

Daniel wasn't your everyday nobody. His life transitioned from that of a loser to that of a winner after being bitten by some bastard. "You're my perfect successor." "My ass..." It turns out it was a curse... from that moment on Daniel became a vampire, a loser that suddenly became a vampire, sounds sort of cliche if not for the beatings that he received in the streets, struggling to get some 'food' until he gained enough experience to control his powers. Apparently, after becoming a winner, getting a few girlfriends and transforming his own experience by a hundred and eighty degrees, life seemed to not be quite done with him yet. After a series of unfortunate occurrences, Daniel found himself in a mad new world with a new name, and certainly a new family of sorts. ** ** "You're..." "I'm your Demon Empress, my cute familiar, make me something to eat~" "w-wait where are you touching?! a-and you're..." "I'm the first familiar, a Kitsune..." "... a what? forget it... you?" "I'll introduce myself, I'm the second familiar, an Octopus~ my belly is rumbling!" "How many tentacles do you have?" "Don't pay attention to her! I'm the third familiar, an Oni! and I have two horns and I'm hungry!" "I can't see the other... hold up... what is that moving goo?!" "I'm a slime... please don't slip on me, also, I'm hungry." "Why are you all hungry!?" "My sweet familiar, here is your first task... cook me something delicious." "Like what?" "I wonder how vampires taste~" "..." ** ** #romance, #harem, #action, #system, #tournaments, #overpowered, #R18, #vampires, #demons, #magic, #strongToStronger, #slimegirl, #octopusgirl, #demongirl, #kitsunegirl, #evolution

Ramon had just ran away from home. He had his father, Andreas sent to prison for bullying his smoking addictive mother since he was a little boy, but now that he is grown up, he is the bread winner of his family and even had to provide for his mother. Roseline, decided to be a nun just to help Ramon study after he got a scholarship into a prestigious university. Ramon was happy thinking he could get rich and study just to change his poor fate and help his mother. He met with Chloe who was infatuated with his cold attitude but later she made her intention known. She dated him because she believed he was rich. When Ramon knew she left him for Xavier, who has his eyes on Chloe for a long time. Xavier even had Ramon crippled and just when he thought his life was over. A gaming system appeared on his phone promising revenge and not only that but wealth beyond his wildest dream.

They burned his name. Betrayed his trust. Left him for dead. But death…didn’t take him. Aiden Vermillion, once mocked as the weakest man in the kingdom, rises from the ashes of betrayal wielding a power ancient enough to terrify the gods. Branded a nobody. Forgotten by history. Hunted by darkness. He returns cloaked in a new name, a new face...And a vengeance that could crack the heavens. With a system bound to his bloodline, an empire to reclaim, and a prophecy written in demon blood, Aiden is no longer just fighting for justice. He’s coming to tear kingdoms apart. To expose traitors. To shatter thrones. Three wives. One sword. Infinite rage. The Lord of Destruction wants the world to burn. But Aiden? He plans to burn Vatou first.

When pharmaceutical genius Dr. Alex Chen dies in a lab explosion, he awakens in the body of Xiao Feng—the "useless" third young master of a declining cultivation family. Crippled meridians, endless humiliation, and a legacy of betrayal await him in the ruthless world of immortal cultivation. But Alex brings something no cultivator has ever possessed: modern scientific knowledge that transforms ancient alchemy into an unstoppable force. Bound to the mysterious **Revenge System**, he's compelled to settle every grudge from his host body's tormented past. Each completed mission unlocks devastating alchemical formulas and forbidden techniques. Where others see mystical pill recipes, Alex sees molecular structures. Where masters take decades to master basics, he revolutionizes millennia-old practices overnight. **"Impossible! How can a cripple create Heaven-grade pills?"** From the scheming cousin who sold him out, to the corrupt elder who murdered his friend, to the demonic lord who destroyed his family—every enemy will face his calculated wrath. But as Alex climbs from the sect's bottom to the realm's peak, he discovers the System's true purpose isn't justice. It's harvesting. Armed with explosive compounds disguised as cultivation pills, poison antidotes that shouldn't exist, and breakthrough elixirs that shatter natural limits, Alex must master both revenge and romance. The brilliant Mei Ling captures his heart, but can he trust her when everyone has hidden agendas? **In a world where strength determines everything, the strongest weapon isn't a sword—it's science.** Will Alex break free from the System's control and forge his own destiny, or will his pursuit of revenge consume everything he's fighting to protect? *Power. Revenge. Redemption. The formula for immortality has never been deadlier.*

Kasai Tadahisa, a handsome yet ordinary Japanese engineer who lived somewhere in Tokyo, died of overwork, and got reincarnated as a trashy third prince of Thaloria Kingdom, Third Prince Cain Vailtair Thaloria, in a mediavel world filled with knights and witches. However, he finds out he has a System that lets him access all modern blueprints from his previous life. He finds himself exiled by his father Alexander Cain Thaloria to the distant Frostmark Province, neglected by corrupt, negligent officials, and often overrun by wild shadow beasts and raiders from neighboring kingdoms. Will he take advantage of his System and turn the situation around?

Congratulations! You've been chosen by The Demon Lord. Daemon read these words in the brink of death. Getting bullied everyday and having nobody he can call an ally, he's always been an outcast - shunned by society. Hated by all. But all of that will now change. With the ultimate system given to him by Astaroth himself, Daemon can begin his revenge. Plunging into the depths of malice and deprivation, Daemon activates the DEMONIC REVENGE SYSTEM!