Sin System: Demonic Harem After Reincarnation

He was the strongest Arch Angel... until the ones he trusted most betrayed him. Lucifer, radiant, ruthless, revered. Slain in a brutal ambush by his fellow angels and demon lords, his legend was supposed to end there. But Lucifer was a being that defied even fate itself. Reborn as Arthur Stark, a genius heir on a distant world, he lives unaware of the divine power buried within him. Until battle awakens something ancient, something unstoppable. Now, with war looming across realms and his true identity resurfacing, Arthur must rise, not just for revenge, but to claim the destiny even the heavens fear. This is a story of betrayal, power, and a fallen star destined to ignite the cosmos.

Gavin’s world took a turn for the worse after the death of his parents, he was adopted by the Smiths family, who showered him with nothing but hate, treating him like a complete outsider. To make things worse—their son Austin has made it his goal to taunt, and humiliate him on school grounds constantly reminding him of his past. The only person who Gavin finds solace in is Angela—his girlfriend. But what happens when Gavin gets betrayed by his girlfriend, who plots with Austin to get him kicked out of school instead of being torn apart Gavin wakes up to find an ULTIMATE REVENGE SYSTEM hooked to his brain giving him the powers to gain revenge on those who wronged him.

Synopsis…. A weak one is criticized by everyone and a strong one is pampered by everyone,  Aryan has been criticized his whole life because of his weaknesses and drawbacks, even being the only heir of the greatest Sarvaan cultivator, he was nothing but trash in his cultivation school. His father, his family, his classmates, and his teachers, everyone around him thought him to be a waste. While providing cultivation methods to everyone at school he was unexpectedly selected for one of the methods involuntarily. It wasn't in his control it was his grandfather's spirit that made him get that method, for which he was annoyed and resented him for the whole day. That was because that method was not any highest range of cultivation, but a small spell book cultivation. Everyone started laughing at him making fun of him.  According to them, he was nothing but a librarian who can use small spells to show magic for fun, not to be called a cultivator, and was not allowed to kill monsters or participate in any kind of competition.  But the fact was different, the method he was given was unique, it was an extraordinary system that was activated by him, a level-up system of spell travel that lead him to the highest level of cultivation. Watch out for Aryan's wonderful journey in the path of cultivation. **************** The book cover image isn't mine. Thanks to the image author.

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!]

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........

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]

Imagine a boy considered a weakling In school, and always getting bullied, suddenly became a god enjoying the king's benefits For centuries, earth realm had two world's above it. tekashi (wonderland), and the underworld (land of demons and monsters). The underworld attacked earth realm with monsters and ruled over them until a strange power fell on one boy from the heaven's, which helped him defeat the monsters and became the king of earth realm .

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

“What type of a beast did you awaken? Is that a Tick? ” The grandmaster asked and everyone burst into laughter, many awakened powerful beasts with great capabilities but all he awakened was a tick. Little did they know That he had awakened the lost Dragon god. Update rate: 3 chapters/ week. Monday, Wednesday, Friday