Sin System: Demonic Harem After Reincarnation

A nerdy engineer was brutally murdered with regrets in his heart. When he transmigrated into a magical world of Knights and Mages, he decided to live for himself this time around and to chase after his longtime dream- to start a big family filled with love and lots of kids from lots of wives! In order to protect himself and his loved ones in this harsh new world, he resourcefully forged era-ending weapons never meant to be fired in this world. To the Knights, Mages, Emperors, and even the Gods of this world, he proclaimed, “me transire, si audes! (cross me, if you dare!)”

Smith lost his parents in a car accident, and his brother died some days after. He was left to take care of his sister, who was suddenly diagnosed with a brain tumor. Smith didn't have any money, and his wife would rather spend money to buy a bag than save his sister's life. He was looked down upon and teased in front of all families. When Smith thought it was all over for him, something surged within him: {Congratulations! Welcome to the lavishing system. Warning, you must spend 10 million dollars every day, or else, the system will depart}.

I wasn’t reborn pure. I wasn’t reborn righteous. I was reborn unfinished. In a fractured fantasy world where cultivation advances through Marital Arts, power is forged through soul-bonds—vows that can elevate partners together or enslave them forever. Strength is no longer solitary. Love, betrayal, and shared destiny decide who ascends. Aren Valen awakens as the weakest outer disciple of the Azure Pact, carrying memories that should have died with him. In a past life, he was the Dragon Sovereign, erased at the brink of ascension by those he trusted most. Now, his Dragon Core is shattered and sealed, immune to orthodox cultivation. It awakens only through bonds freely chosen—not forced, not stolen. As ancient Dragon Veins stir, cultivation laws begin to collapse. Sects fall overnight. Empires rise on corrupted Marital Arrays that chain partners instead of empowering them. Defying all doctrine, Aren unlocks the forbidden Dragon Marital Codex, a path where power is shared without submission. Each bond awakens a Dragon aspect—Wrath, Wisdom, Dominion, Mercy—at a cost paid in trust and blood. Fate draws powerful women into his orbit: a sword cultivator haunted by memories of loving a Dragon, a rogue spirit alchemist hungry for forbidden truth, a fallen imperial princess seeking control, and a beast-blood warrior torn between instinct and reason. They are allies, rivals, and potential betrayers. But the past has returned. Aren’s former betrayers have reincarnated too, now ruling the new era—and they intend to erase him again by turning his own bonds against him. The Dragon needed a harem. The world is about to learn why.

Damn! Life just dealt Ashton Myers a bloody good hand. Getting dumped by his lover, Ashton experienced a life-threatening accident. When Ashton awakened, he found himself connected to the Reality-Changing System.

Noah Bennett was nothing but a “useless” son-in-law, mocked, slapped, humiliated. His wife cheated, her father cast him out, and everyone believed he’d finally disappeared for good. But fate had other plans. A mysterious black card, left behind by a dying stranger, transforms him overnight into a millionaire and unlocks a mission titled “Ashes of the Mega 7.” He must take down seven of the most powerful families secretly controlling the country’s economy each responsible for his past suffering, his parents’ mysterious death, and the corruption that rules the city. The first target? The Lewis family, his ex-wife’s bloodline.

After a humiliating public betrayal by his closest friends and girlfriend on his graduation day, 24-year-old Eliot Reyes hits rock bottom. Once a brilliant software developer with dreams of launching his own startup, Eliot is left broke, jobless, and heartbroken. Just as fear threatens to consume him, a strange voice appears before his eyes: > "Welcome, Eliot Reyes. You've been selected for the Destiny Reboot System. Do you wish to reboot your life? [YES] / [NO]" With nothing left to lose, Eliot accepts. Suddenly, his world changes. Will he become the man he once dreamed of, or the monster his enemies fear ?

Thenma, a poor and weak young man; worked hard for him and his little sister. They were orphanages, making them insulted and bullied. The weak Thenma would keep quiet, and his brave younger sister would always protect him. But Thenma's life was collapsed when tragedy striked his sister, and his lover gave nothing but a stab in the back. A chaotic life made Thenma think death would be better, but a mysterious and foreign system chose him to become The Next Greatest Revenger. "Count to ten of your peaceful life before I come and destroy it like a disaster. I am The Greatest Revenger!"

[System Awakening! Daven King, do you want to turn your fate around? You have five seconds to accept the System!] [1…2…3…] All Daven could understand was getting a new life and that was all that mattered to him at that point. “Yes!” He responded. [The Rich Medical System has been installed successfully!] ___ Daven King, a poor and bullied cleaner became a medical genius in one night. He was faced with the ability to take and save lives and when faced with his enemies, he had the chance to make them suffer. However, his sudden skills came with a price, would he be able to keep them or lose them because of a diehard enemy?

Mavis Donard endured three years as the Sonar family's live-in son-in-law, treated worse than a servant. When his wife Charlotte handed him divorce papers while embracing his cousin Lugar, the family revealed their ultimate betrayal, as they framed him for embezzlement and ordered his execution. Left dying in an alley, Mavis awakened the Retribution System, which granted him powers based on every humiliation suffered. With his family's hidden fortune recovered and vengeance protocols activated, Mavis returns to systematically destroy everyone who wronged him, starting with THE SONARS.

The Rise Of Maximus Prime He was wrongly accused and he suffered gravely for it. He lost everything, family, friends, partners etc. But as faith would have it, he is gifted with a system that changes everything.