Sin System: Demonic Harem After Reincarnation

Jake’s blind date turns out to be a 250-pound walking machine, Delma Hamilton, who’s also the CEO of a weapon manufacturing company worth in trillions! And she falls in love with Jake at first sight! When Jake's family members arrange his wedding with Delma, he runs away. But Delma doesn't give up on him and advertises his missing posters everywhere! How will Jake survive the loving disaster of a woman who wants him at all cost? Witness Jake’s supremely humorous yet hard-hitting journey yourself!

Eric seemed born into a world that existed solely to break him, misfortune clung to his every step, and humiliation followed like a shadow. Betrayed, belittled, and forgotten, he trudged through life with no hope of redemption. But just when the darkness seemed absolute, a mysterious System awakened within him, one that promised power, choice, and perhaps even revenge. With fortune finally tipping in his favor, Eric must navigate a treacherous new world filled with opportunity and peril. Is this the long-awaited turning point, or merely another cruel twist in the game of fate?

Ezra Echelon, lost his family and the entire Echelon sect to the treachery of his former master. Reduced to a shadow of himself and branded as a living trash by the tyrannical Serpent Fang Sect that took over the Echelon sect. Ezra lived a life of torment. But in the darkness of this despair, a mysterious voice awakens a power inside him: the Echelon System. It promised him vengeance and transcendence, pushing Ezra onto a brutal path of strength and self-discovery. Armed with ancestral combat techniques, driven by the fire of revenge, he begins his journey to dismantle the oppressive sects ruling his world. Along with Mira, his trusted student, and Halak, the unlikely ally, Ezra must build a rebellion against a world steeped in corruption. He promises to avenge his sect and also set the world back on a right path of truth and justice

Aaron is a mechanic who fixes cars, he doesn't have a house to sleep in, so he slept in the cars he couldn't fix. Then he help a bleeding old man out of a wrecked bus. The man wasn't human. He was a forgotten god of hearth and home, hunted by the Landlords — a secret cabal of slumlords who got rich by feeding on tenant misery. For saving him, the god rewards Aaron with the Landlord System. Rule one: Kill a landlord. Rule two: Take his deed. Rule three: Inherit his building, his money, his enemies, and his sins. First kill gets him a roach-filled tenement and fists that can punch through brick. Kill fifty gets him a skyline. Kill them all and he becomes the Landlord God. The city has 1,000 landlords on the list. Aaron starts with a wrench and an eviction notice. He plans to own it all.

If you win a girl's trust, you earn money. But if that trust is broken... the penalty is harsh like being turned into a girl for 7 days. Li Chan, an orphan, had been with his girlfriend, Liya, for seven years. She was his only light in a dark world until she betrayed him for the young master of the powerful *Song Hao Group*. Heartbroken and shattered, Li Chan had lost all hope in life... That's when a mysterious voice echoed in his mind “Activating: The Supreme Girlfriend Making System.” The rules were simple, yet brutal: * Earn money by gaining a girl's trust. * At 100% trust, unlock unique and powerful special skills. * But beware if the trust drops even slightly... suffer strange and humiliating penalties. Now, armed with this bizarre system and a heart craving redemption Li Chan sets out on a new path. To build trust. To gain power. To master love and betrayal. His new goal? To rise above them all and become the Supreme Harem God. *Let the twisted game of hearts begin.*

He doesn’t know his bloodline. But his shadow remembers. Born with a giant wolf-shaped shadow that moves on its own, and a pendant from the parents he never knew. Kai Draven got caught up in a dorm for supernatural misfits. Welcome to Vespera High Academy, a school divided by factions, ruled by strength, and ranked by blood and fist. Here, students don’t just study......they duel to survive. And Kai? He’s at the bottom. No powers. Just a reputation his shadow made before he could even open his eyes. But when defeat cracks the locket, something happened. [SYSTEM ACTIVATED…] [LUPIN CODEX UPLOADING......] Something is about to happen in Vespera High Academy........

Gray Adams grew up with nothing but long shifts and calloused hands. After losing his last job and facing eviction, he thought his life was over. Then, on a rain-soaked night, a voice echoed in his mind: [Welcome to the Great Fortune System.] That single message changed everything. The System offered missions tied to money, ambition, and discipline—rewarding him for smart investments, confidence, and courage. As Gray climbed from broke laborer to rising entrepreneur, he discovered that real power demanded more than wealth. When success tempts corruption and rivals try to destroy him, Gray must choose between becoming another ruthless billionaire or staying true to himself

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!]

🏆 ["Silver Prize" in System Activated of "Meganovel Biannual Writing Contest"] 🏆 Bruce Waylen is the bastard child of the Waylen family. He was raised by his mother, who later passed away. Bruce was forced to leave his childhood and live with relatives. Bruce later found out the Waylen family came after him, intending to take his life. But the mysterious System came to save Bruce from the dead, giving him the power to be the urban man.

Ten years of love, and she repaid him with betrayal and death. Left bleeding out on a rooftop, Zilu watched his fiancée Xena moan in ecstasy in his rival’s arms as they stripped him bare and left him for dead. But death rejected him. [Welcome, Host. The Swarm awaits.] Reborn as the King of Aedes, Zilu is no longer just a human. He is a hybrid, the unseen shadow. The silent fever. The bringer of exquisite, customized agony. One bite is all it takes. Every drop of blood he drains feeds the System’s endless hunger. Each victim cracks open the gates to an ancient Vampire Realm. What started as brutal revenge against the woman who destroyed him is spiraling into something far darker. Zilu isn’t just hunting his enemies anymore… He is becoming the nightmare that will bleed the world dry.