Sin System: Demonic Harem After Reincarnation

"Yeah, listen up. I want to order a pizza, but don’t screw this up, alright? I don’t have time for incompetence from some broke ass pizza delivery guy.” That's the first thing Niko heard when he answered the phone, “who the hell orders pizza like that?” He sensed the arrogance from whoever was behind that thick voice over the phone. But he ignored the rudeness and asked him “Sure, sir. What can I get for you today?” “Dumbass I already said I want a large pizza. What else do you sell if not pizza?” Things like this always made Niko hate his job, he'd been working in that pizza shop for almost a year and he never got used to all the insults and harsh treatment. But he was willing to keep enduring all of it as long as it fetched him some money to take care of himself and his girlfriend Vikkie.

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!"

Rocky Kennedy, started to get insulted by all his family when he was completely bankrupt and his company was mortgaged. No one was able and no one wanted to help him because his company was a big one and when he went bankrupt he really didn't find anyone willing to help him. His company went bankrupt because of a virus spread by his business enemies. Until finally he also found out that his fiancée betrayed and had a relationship with his business enemy, Gerry Foorgan. Rocky is completely devastated to realize that everyone is really mean and a jerk to him when he is poor. Until finally he had an accident and was hospitalized, as soon as he woke up suddenly a voice was heard. "I am the most powerful system in the world that will give you wealth and great abilities. Rise to the top! I will give you wealth, repay all your heartache to them!"

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?

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?

Robert Adams, a 25-year-old divorced man with a four-year-old daughter, will have to work in Chicago with his technological advance system in order to create the largest American technology company with which to give his daughter a decent life. However, his path will not be easy since many of his inventions will touch the markets established by the huge transnational companies in the country, so it will be a fight between the old and the technological advance brought by Robert.

Angus Knighton hits rock bottom when his mother is dying and his arrogant wife and her family keep humiliating and insulting him for being poor.All that changes when a man in expensive clothes meets him in the hospital and shocks him with the news that he is the grandson of the richest man in the country. Now Angus is rich and can buy anything in the world, but then his wife divorces him because she doesn't think she can endure his poverty anymore…

"You're a dirty poor orphan, who doesn't belong here in this University!" Mason Williams is a 21-year-old college student who is constantly reminded that he is irreverent and wretched by society, but everything changes when death slaps him into the life of a celestial billionaire heir. "My name is Mason William the Second, son of Grace William the First, heir to the Williams empire, host of the celestial system, and the master of the celestial assassins. With this, I pray heaven will help those who trespass me!"

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.

Matteo De Cannio's life took a drastic turn when his parents, Mr. and Mrs. De Cannio Militao, passed away in a tragic road accident. Left in the care of his wicked stepmother, Lily De Cannio, Matteo's life became a living hell. His stepmother, a notorious drug dealer, mistreated and bullied him relentlessly. Despite the hardships, Matteo's fortunes changed when the Italian Government offered him a scholarship to study at a prestigious university. However, his stepmother refused to let him accept the offer. Forced to sell his stepmother's illicit drugs on the streets, Matteo's life took a devastating turn when he was killed by the police. But fate had other plans for him. Matteo awakened in a London hospital with a mysterious System that promised him unimaginable wealth and power to exact revenge on those who wronged him. His stepmother, who had killed him, was at the top of his list. With his newfound wealth and fame, Matteo became a force to be reckoned with, establishing big companies around the world. But as he plotted his revenge, he couldn't shake off the feeling that his stepmother's wickedness would not be easily defeated. As Matteo navigated his new life, he wondered: Would he survive his stepmother's evil schemes, even with his newfound power? What would happen when Mrs. Lily De Cannio discovered that Matteo was alive? The battle for revenge had just begun.