sin system: demonic harem after reincarnation

Lonan Karran's wealthy life was turned upside down by people's betrayal. And that made him live in contempt of the people. Lonan was humiliated and laughed at. When he was about to die in the pool, a system appeared that allowed him to make a lot of money. [Welcome to the Streaming System!] With the system he had just acquired, his life changed again. It's time to become famous!

Dillon Grendel, a poor college student who worked as a delivery guy for a big delivery company found his girlfriend cheating on him during one of his deliveries. She broke up with him there and he was beaten up by her new boyfriend's friends. That same day, he lost his job due to the bad feedback given by this same group of people. Dillon found his way to a lake where he planned to end his life, but instead, caught some guys trying to molest a female. He tried to save her, but ended up being beaten up by them as well. Life was leaving him, but when he glanced towards the direction of the girl who was curled up in a corner, shaking from fear, a sudden burst of rage erupted through him and he had no idea what happened next. The next thing he saw was him standing over a group of boys groaning in pain as a firm voice sounded behind him, "Young Master!"

Meteors hit the earth and unleash destructive monsters. Suddenly the selected humans got an extermination system. Humans who receive the gift of the system must protect other humans from attacks by increasingly crazy monsters. But can they defend the earth from looting monsters?

[Complete the missions, gain experience, and improve your stats!] Ever since Harry McKane was given the System, his life became considerably simpler. He gains the admiration of his peers, is no longer looked down upon, and, most significantly, need not worry about his financial stability. One thing Harry failed to take into account was the possibility that other players may force him into player against player (PvP) combat. His safety is constantly threatened by a series of strange and inexplicable occurrences. All the way from the advent of a mysterious female called Evangeline Hudson who hunts player like him, to a string of unexplained deaths, and ... the approaching zombie apocalypse? "Hang on a sec. I just don't get it. Zombies? Not monsters?" "Do you believe that everyone else is as traditional as you are? Everything needs a little improvisation."

Kicked out from the Walter Family mansion, fooled and betrayed by his wife, then murdered by a ruthless loan shark, a revenge system gave Leo Sebastian Holland a new life. As the son of the world's richest family, Leo discovers the Walter Family is a member of The DID drug cartel — he must destroy the world's most powerful drug cartel to destroy the Walter Family. However, the real Leo shows up mid-plan to exact revenge on him. Leo Sebastian realizes he has a complicated identity-swapping situation. How will Leo complete his revenge plan? What will the real Leo do to make his plan fall apart?

Betrayed by the one person he loves the most and battered to the brink of death– he was left to gasp at the face of death, slowly counting his time till his consciousness faded. In that dreaded moment all that Aiden could think of was getting back at those who put him in this place. His desire for vengeance and power soared through every muscles of his– that desire awakened in him an answer. [Do you want to avenge yourself] [Do you seek to stand on top of the world with fame, riches and glory] [Do you want to make your enemies tremble at the sight of your might] [You have activated The Vengeance System] [Host is 99.99% compatible with 'The Vengeance Systsm'] With a new variable, follow Aiden on his path from rags to riches and his bloody revenge against his foes...

Intelligence, Deceit, Cunning and Luck are concepts that tie to genius. Louis, who was born with above average intelligence, got all four concepts and became a true genius. And a true genius becomes a double-sided sword. Will it be a problem solver? or even a trouble maker? It all started when Louis got an injection of nanoparticles into his body. Something much higher than modern words appears and changes Louis' life. The system appears and allows Louis to make the impossible possible. He will easily solve the criminal cases he handles. What awaited him in the days to come were cases that were more complicated and would require even greater effort to deal with. (Some events that occur and locations are indeed inspired by the real world but have nothing to do with real life)

The world will experience destruction. Izaki, a young man who returned from the battlefield suddenly found himself sucked into a black hole that appeared right behind him. Izaki has now come to another world, where the world is controlled by what are called Hunters. Hunter, is a profession that someone takes to loot and kill monsters through a portal that appears in every area. Every hunter must have the so-called power blessing. The blessing itself comes from the resurrection crystal and it will always be given by the city government when it is six or seven years old. Izaki came to another world at exactly 22 years old, so he didn't have a resurrection at all. That's exactly when his system appeared. [The Mission System is successfully integrated with the Host.] [First Mission begins.] [Enter Grade A Dungeon.] That way, Izaki's journey begins by entering a high-level Dungeon. thank you and this is my first novel

Asher was heartbroken when he was betrayed by the person he loved, Olivia Halbert, and his best friend, Darren Alexander. Asher was cheated on and humiliated because of his economic status. However, behind his simple appearance, Asher was a wealthy man with extraordinary financial power. One day, Asher suddenly acquired an heirloom that allowed him to read people's minds. With this ability, he found it easier to control everyone around him. With a heart full of vengeance, Asher began his game of revenge, destroying Olivia and Darren, and eliminating anyone who tried to stand in his way.

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?