Sin System: Demonic Harem After Reincarnation

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

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.*

Not everyone dream of reincarnating into a fantasy world, some people work hard and live a life of fantasies in real world. Eric Grace at the age of 22 he was a millionaire with 2 successful businesses printed money for him day and night. He had everything money, power and harem but his luck has ran out and he was abducted by angels and thrown into the fantasy world with a useless system which only knows how to torture his host. Gods has used him as sacrifice to divert the attention of demon king from the real hero and his life was about to end on the 1st day of his reincarnation but a nemesis of gods saved him from certain doom which introduced himself as ‘Merlin system’. Join Eric Grace on his adventure and revenge pilgrimage as he slays everyone who has destroyed his peaceful life and used him as pawn and witness the birth of celestial overlord. ~ From DemonKingAK ******************************************* PS: The main races on which the story will focus will be Demon, Human and Gods but aside from them there will be subsidiary races such as Elves, Dwarves, Angels etc. The story will mostly focus on journey of Eric and Merlin (The system) containing lots of fan service, humor, action and adventure. Please leave a review if you like the book or if you have any suggestion. Disclaimer: Please Note that the novel cover is not owned by Author. Credit goes to respective Artist. A/N: If you wish to support author please visit ko-fi.com/akpov. connect with author @ https://discord.gg/s6mT2AHbGc

For three agonizing years, Marcus Chen endured the daily humiliation of being the Williams family's useless son-in-law. Mocked by his wife's relatives and treated as a live-in servant, he swallowed every insult while his beautiful wife, Emma, grew cold and distant, ashamed of their marriage. His breaking point came at Emma's birthday party, where his cheap gift was scorned and his brother-in-law, Daniel, publicly announced Emma's engagement to a wealthy rival. As Marcus stood broken and covered in champagne, Emma delivered the final, crushing blow: "I'm sorry, Marcus," she whispered. "But Daniel's right. You're... you're just not enough. You'll never be enough." But the forces that sought to destroy him made a fatal mistake. Stumbling into the cold night, Marcus was nearly killed in a staged accident, a final act of cruelty that instead triggered an ancient power. The **Legacy Inheritance System** roared to life, revealing his true identity as the lost heir to the trillion-dollar Chen Empire, a conglomerate thought destroyed twenty years ago. The system's first command was clear: **[SYSTEM ACTIVATED: HEIR RECOVERY PROTOCOL INITIATED]**. From a scorned waiter to the master of a hidden fortune, Marcus is reborn with a single, burning purpose: to reclaim everything that was stolen from him. Now, Marcus Chen is no longer the man they humiliated. Each system mission unlocks new abilities, exposes hidden enemies, and brings him closer to the truth behind his family's downfall. He will rise from the ashes of his past, an unstoppable force ready to crush the powerful elite who once laughed at his pain. Will he succeed in reclaiming his empire and proving his worth to the woman who abandoned him? Or will the conspiracy that destroyed the Chen family finish what they started? Dive into this tale of revenge, redemption, and the ultimate system-powered comeback.

Dorian was betrayed by his wife when she got to know that he was nothing but an illegitimate child of an ultra rich family. Being left with nothing, he was about to end his life when suddenly he heard a notification sound. [Host detected… Introducing the Million Dollar Wealth System. ] [ Spend 1 million in one day or die ] Dorian, fueled by anger and vengeance, decides to get his revenge on all those who wronged him, “I am coming to get my revenge, you losers.”

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........

After his business bankrupt, Alexander Gates was despised and insulted by his wife's family for being a penniless son-in-law. He is really being a poor guy. When his wife cheated on him with a richer man, he is very disappointed. One day, when Alex is really need money, a system on his smartphone vibrates. The system says that by clicking the link, all the money will be yours! Only with a wealthy system, in a second he can become a billionaire! *** Cover by Ai

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

Austin's life was almost on the brink of death before a foreign wealth money system appeared on his head. Expelled from his family, cheated on by his wife, treated as trash at his job, and belittled for being a son-in-law with an office boy job and mansion maid for a conglomerate family, Austin had the worst life ever. When all that happens, Austin turns life around and makes a fortune at the snap of his fingers. Then Austin meets Rudolf, a famous trillionaire, who secretly asks him to run a business together. Austin prepares to pay for the treatment of the people who underestimate him behind the disguise. [Ding! Welcome to the multi-income billionaire system, User!] [You have received a remittance of USD 50,000,000 in your account]

Liam Walker, the infamous lived-in son-in-law of the Henson family had been cheated on by his wife. Instead of feeling sorry of her action, his wife blamed him for being useless instead and divorced him. Homeless and with nowhere to go, Liam was in a tough position until a system bonded itself with him. [Income Multiplier System has been successfully installed! Any income you earned shall be multiplied! Become the most wealthy businessman in the world!] [You have successfully sold a Lamborghini sports car! Income multiplied by 100!] Watch Liam Walker walks his path to become the first quadrillionaire and take revenge on those that had wronged him!