Sin System: Demonic Harem After Reincarnation

What if every bill you spend is actually a piece of your remaining breath? Axel Benjamin gains instant wealth through a biological parasite flowing in his blood, but without digital numbers or an hourglass counting down. In this brutal world, hard work is the only way to buy living time, while shortcuts mean accelerated death. When enemies from his childhood and other system holders begin hunting his life, Axel must choose between becoming a legend who dies young or surviving as an ordinary man who is truly free. The safety of those he loves is now collateral for a debt owed to a system that feeds on emotion. Axel has just realized that he never truly owned his own time, and now his heart has begun to beat to the wrong rhythm.

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.

In a world filled with levels and mythical beasts, a prince thrives to reclaim the kingdom that was once his own and avenge the death of his father no matter what. The prince is faced with all kinds of enemies and monsters but through the help of a peasant maiden, he fights with zeal and the skills of a Japanese swordsman, he never lost his spirit and even after his kingdom was taken from him and he was left with nothing but his sword he still kept his royalty and held his head high in the face of danger and in the face of the evil king, his name is Prince Elliot Alexander the only son of Ivan Alexander the third.

Humiliated. Broken. Reborn rich. Derrick Wallance was nothing, until a System chose him. Now every dollar he spends turns into a fortune, and every insult becomes fuel for revenge. But as wealth piles up and women circle closer, Derrick must decide: will he conquer the world… or lose himself entirely?

Danny Reyes died as a feared crime boss... ...only to awaken inside the body of another Danny Reyes—a street thug living in the poorest corner of Ashford County. Unfortunately, his new body carries a death sentence. An ancient curse known as The Phantom Bride has chosen him as its groom, draining his life away day by day. No one in history has ever survived. Fortunately... Danny awakens an impossible ability. Anything can become equipment. Weapons... Cultivation manuals... Ancient relics... Even legendary treasures. Equip them, and their power becomes his instantly. With death only days away, Danny has no choice but to carve a bloody road through gangs, martial sects, cursed spirits, and ancient monsters. If the heavens decree that the Phantom Bride must claim him... Then he'll become strong enough to kill even fate itself.

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!

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.

Morgan is a poor young man who has no family. He worked as a delivery boy for a small salary in a restaurant. He lives a hard life. His life became even more miserable when his best friend and girlfriend betrayed him. Morgan felt that life was unfair to him. When he was at the lowest point of his life, the system suddenly appeared in front of him. [Congratulations] [You are the chosen one] [The system will help you achieve your goals]

Zervok Aldrathen awakens in a world overrun by zombies, gifted with a System that does nothing but spawn vending machines. Disappointed and desperate, he soon realizes these machines are the keys to power and salvation—if he can harvest enough monster cores to pay the price. In a world where food is more precious than gold, Zervok becomes the most influential merchant of death and survival, one can of cola at a time.

For three years, Alex endured humiliation as the worthless live-in son-in-law everyone mocked. His wife ignored him, his in-laws treated him like trash, and society called him a failure. But on the day his contract marriage ends, everything changes. A shocking inheritance. Hidden trillions. Power beyond imagination. Now, the man they abandoned is back—with wealth, influence, and enough power to crush anyone who stands in his way. As enemies fall and empires rise beneath his feet, beautiful women are drawn into his dangerous world. They called him useless. Now, they’ll kneel.