Sin System: Demonic Harem After Reincarnation

Aldric has always been the target for bullies because of his body and because of being poor. While being bullied in their classroom a magic circle appeared and together with his classmates, Aldric got summoned by a Queen to another world and just when he thought that his life will be finally better, his status window revealed that he is only level 1 while his classmates were all heroes. His classmates bullied him for being the weakest, and the Queen disposed of him and sent him to a barren land filled with monsters to die. Just when he thought his life was over. A translucent appears before him. [You have successfully recruited 10 Goblins in your small Kingdom. You have gained 1,000,000,000,000!] [You have successfully had an elf as your wife! You have gained 1,000,000,000,000!]

When I woke up with a hangover, I found a handsome and naked stranger sleeping beside me. --- I’m Tanya, a surrogate’s daughter, an omega with no wolf and no scent. On my 18th birthday, when I planned to give my virginity to my boyfriend, I found him sleeping with my sister. I went to the bar to get drunk, and accidentally had a one-night stand with the handsome stranger. I thought he was just an ordinary werewolf, but they said he was Marco, the alpha prince and the most powerful Lycan in our kingdom. ‘You slut, you’re pregnant! Fortunately, Rick is kind enough to let you be his mistress and save you from shame.’ my stepmother said, tossing a pregnancy strip on the table. Rick was an old pervert. No she-wolf could keep up with his sexual demand. No she-wolf could survive with him more than 1 year. When I was in despair, Marco came to my rescue. He got down on one knee, took out a ring and said he would marry me. --- I thought Marco married me because he loved me, but later I found that was not the truth…

For others it takes dying and reincarnating for them to get a system but what happens when you get one without dying. Aron Michael is an average student set to graduate within a week, but he was expelled for a random reason. Due to that he had a heavy student dept and no diploma to help him earn the money to pay it back. But one day he got a system that called itself the [Advanced Tech System]. follow the story to watch him develop from your average joe to him being the owner of the largest company in the world.

'What did I do to deserve all this?' James thought to himself as tears of sorrow and regret streaked down his eyes, 'Just because I'm the unwanted one? They've decided to treat me like trash and throw me away. Well, I've decided to grant them their wish– I'll die here and save everyone the bother of seeing a failure like me.' **** The next time he opened his eyes, the first thing he saw was a light blue screen hovering in front of his face. 'What the hell is this?' [Ding!] Now armed with the power of the system, James Jade embarks on a grueling journey of revenge against those that made his life a living hell.

In this world, things are very difficult for everyone, but people find their way to get by. Some work hard, some sell and negotiate, while others… Hunt monsters? Meet Leonard Flint, an aspiring hunter with an eccentric personality, and his friends Adam Archen and Charlotte Chloe, in their normal, mundane and relaxed live. Except that for them, this means dealing with wild monsters and powerful maniacs. Follow the journey of three young people trying to survive in the modern and decadent world, as they increasingly find themselves facing a conspiracy that could change everything about that world upside down.

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.

After being electrified, Roug crossed through a strange world. But instead of coming there in his own body, someone forced his soul into a monster's body, and his soul got inserted into a goblin's body, not to mention it's just a malnourished kid. Now being a goblin, he must survive in this strange world full of magic and fantasy. But even after that, he wants to return to his original world. But his system, it's pretty nasty, always making things difficult for him and forcing him to live in this alternate world despite Jiro's numerous rejections. Will the system succeed in making Jiro stay in her world? Or Jiro would still find his way back into the real world? [ Congratulations: The soul insertion has been completed, and the host has found a new body ] The system notified. " Insertion? What does that mean? I need my real body, I want to go back to my world ". [ I am sorry host, but you can't return. I hope you won't make things difficult for me, I am also a poor soul ] (Attention: The cover image is not mine, it belongs to its rightful owner)

Riko George, a student of Archeology, believes that in this world there are living mythological creatures. For Riko, they are not just fairy tales. As a result of Riko's passion for reading and watching fantasy films, a 22-year-old youth is desperate to go through the forest which is believed to be a gateway to another dimension. However, is Riko's assumption about mythological creatures really real or just a hallucination? Will Riko be able to prove to her friends her opinion?

James, a college student struggling to escape his poor and weak life, takes on a delivery job to cover his remaining tuition fees and personal expenses. His relationship with Selena is the only source of happiness in his otherwise bleak existence until it is extinguished by her betrayal. She cheats on him with Randy, the arrogant and affluent star quarterback. Devastated and consumed by anger, James decides to confront Randy but is struck on the head, resulting in a concussion. This concussion triggers a mysterious system called "Opportunity System" that grants him one million dollars. The catch? He has only three days to spend it all. Will he manage to spend the entire sum in time? What will happen when James eventually discovers that the mysterious system was not what it seemed, but rather a scheme devised by RJ Black?

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.