Sin System: Demonic Harem After Reincarnation

“Aren't we all tired of reading about heroes who are binded by law and righteousness and can't act on their own free will or villains who are just bad and evil, why don't we try something different, something like anti hero who aren't binded by the law". Follow zero who is regarded as a useless hero on his adventure across a mythical world full of adventures and danger.

"These are pretty minuscule spies, my lord," The leader said into his comms. They chattered among themselves. We had our hands up when they surrounded us. My throat clogged and I was running out of oxygen. I could barely think or breath. Mister Wigglesworth was talking briskly with bulging eyes to the colossal men and a rifle was lodged in his throat, he seemed frail and agitated. "Mort!" He threw the parcel into his hands. Mort winced when he failed to catch it. The box malfunctioned and I screamed at the blast and fell back into the shelter of more craters. I gasped. "What do I do with this?" His hand fidgeted on the and he dived behind a crate beside me while lasers flew. He panted and glanced at me holding on to the parcel. There was a skirmish going on. "I think I got hit." .... Remember when homicidal aliens were attacking us? This was now, yeah, it was kind of my fault. We were crouching like a couple of cowardly war veterans on a battlefield and Mister Wigglesworth! Of all people was out there holding them off. Mort held on to the prism parcel. My eyes were pale. I got hit by the parcel. I held on to my stomach. "Are you okay? Can you sit up straight?" He said. "No, it hurts," I did not feel like myself at all. I was not even in the mood to make snappy comebacks, I kept seeing double and all these color spectrums like I stared at the sun for too long. I was phasing in and out of consciousness. I thought I saw planets dying. I ducked over the end and focused on breath. [ System Activated ]

Died after being stabbed by a robber trying to save someone. Ren thought that he was swallowed by the endless Void. Found himself reincarnated into Another World and awoke in the body of a teenager who thirst for revenge. In Another World, there are Magic that will give the user unparalleled power, and skills that will let the user have a bigger chance to survive in a world that is filled with danger. However, Ren didn't have any of those. He is talentless. As an orphan who lives in the slums, He is determined to live until one day an incident that involves him will allow him to get a second chance to turn his destiny upside down. [The pieces of a broken Void found its Host] ..... [System Installation] ..... [Displaying status] [Status window] Name: Ren Race: Human Age: 19 Level: 0 ..... Thus comes the time for Ren to change his destiny from a talentless person into the strongest in the world.

Victor Dyllon's life was cut short when he saved a little girl from being hit by a van, only to be hit himself. Extradimensional creatures from The Land Between take pity on him and bring him to life once again in a brand new world. Armed with a powerful system that unlocks more of his arcane abilities after every fight, Victor may be the last thing standing between the multiverse and destruction at the claws of a dark and powerful threat. His journey is only just beginning, and his magical sci-fi system is getting stronger all the time!

After breaking up with his girlfriend, Eric Johnson married a beautiful female CEO to cover his father's $15,000 surgical bill.

Stephen inlaws cursed the day their daughter married stephen who became jobless and couldn't cater for his family. He was abused and belittled by his inlaws and his wife who ended up cheating on him with her boss who was richer. Stephen couldn't take it he tried to get his wife back but she gave him the divorce paper as Stephen was thrown out of his matrimonial home. Left on the street, depressed..everything already taken from him. then........ (5G SYSTEM ACTIVATE) (HOST CONNECTED!) Stephen is given the power to get his revenge as he tried to upgrade to avoid any evil thing to befall him.

Story concept A young man named Leon Ardendale, the prince of Eldoria's small kingdom, lived as a waste after his father was couped by his stepbrother. Lunta in the wilderness, Leon almost died before suddenly a Arkana system woke up in his mind. This system gives him access to ancient knowledge, high -level magic spells, and extraordinary survival skills. However, there is one weakness - every time Leon uses his system to gain strength, he must pay the price, both in the form of pain, sacrifice, or losing something valuable. With the determination to reclaim his throne, Leon began to undergo an epic trip to master the arkaneum, a hidden magic system that could only be used by those chosen.

Akim's world is ravaged by zombies after an apocalypse. He discovers his fiancée, Alice, cheating on him with his best friend, Marcel. Akim is infected with the zombie virus but surprisingly develops spatial manipulation abilities, allowing him to create a storage space and generate spatial blades. Akim embarks on a perilous journey to find his parents and younger sisters, gathering supplies and crystal cores to enhance his abilities. He encounters various challenges, including hostile gangs and mutated zombies. Along the way, Akim meets a group of arrogant rich brats who demand his assistance. He agrees to help them reach a private airfield in exchange for potential transportation. However, their behavior frustrates him. The story takes a dramatic turn 25 years into the future. Akim has become the last human on Earth, fighting against the "rot of worlds," Kalusus. After a fierce battle, Akim and Kalusus destroy the Earth. In a shocking twist, Akim finds himself revived, intact, and kneeling before a powerful being. The being explains that Akim's world was destroyed due to external forces and offers him a second chance to change the course of events. Akim accepts the offer, and a system update announces a new adventure. With his spatial manipulation abilities and experience, Akim is poised to rewrite history, save humanity, and become its savior.

For years, Adrian Cole lived in the shadows of a marriage that was never truly his. Though married to the woman he adored, his love was met with ice, disdain, and cruel silence. Her family treated him like a servant, mocking him as useless, poor, and beneath them. Yet Adrian gave everything, his heart, his time, his resources, even sacrificing career opportunities, just to see her smile. Until the night he caught her in another man’s arms. Heart shattered, Adrian finally walked away. What no one knew was that the man they scorned was not a nobody, but the long-lost heir of a dynasty that commanded empires. Overnight, the forgotten husband became the most sought-after man in the city, powerful, untouchable, a force beyond reach. His career soared, allies gathered at his side, and new love, pure and true, began to bloom. But as Adrian rose higher, the woman who once mocked him fell into ruin. Betrayed by her lover, stripped of her family’s protection, and rejected by the very society she once ruled, she realized too late that the man she despised was the one she should have cherished. Now, she kneels before him. But will the Forsaken Heir ever look back?

Betrayed by blood. Hunted by the system. Chosen by something greater. Kieran Blackwell was born to rule—but cast aside before he could even speak his name aloud. Branded a disgrace. Forgotten by his powerful family. And when the city turned its back on him, he fell—hard. Until a desperate click on a mysterious link activated a long-buried system... not just any system—the Legacy System. A weapon forged in secret to control destinies, rewrite bloodlines, and silence those who rise outside the script. But Kieran is no obedient heir. Now hunted by Override enforcers, haunted by forbidden Echoes, and bound to a system that may be rewriting him from the inside, Kieran must uncover the truth of his bloodline, master a broken power, and decide: Will he play the role they wrote for him—or shatter the story altogether? Perfect for fans of weak-to-strong arcs, ruthless betrayal, and systems with hidden agendas, this is your next obsession-worthy dystopian fantasy.