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.

Kaiden, who has just been left alone because his family suicide, is now being chased by loan sharks because of the debt left by his family. Kaiden himself was almost beaten to death for not being able to pay the debt. However, while he was resigned to death, something strange came to his ears. [Your circumstances have qualified to become a master of the tycoon game system] [Welcome to the tycoon game system!] Kaiden recalled the strange voice he heard before he coughed up blood and passed out. It was exactly like the voice he was currently hearing from the hologram screen. "So yesterday was real?" Kaiden muttered, between confusion and amazement. [Right master, the system is real] [The system will help master become the richest man in this world] [The system will start the game to become a tycoon!] [Your level is level one] [The system will send some money into your bank account] [The money can only be spent on starting a business, not on personal consumption] [Every time the money is spent, you will only receive 50% of the money for personal consumption] [Now create your own business, or invest in other people's business, you are free to use the money only in the business field] [Have fun!]

He mistook her for the girl who saved him years ago, gave her everything to help her business survive.But now he knew he was wrong

As the King of Death in his previous life, Ainz Dorak was a formidable and fearsome ruler. He commanded an army of dark and terrifying creatures, instilling fear and awe in all who crossed his path. His power was unmatched, his reign absolute in the underworld. Despite his immense power and influence, Ainz Dorak could not escape the treachery and betrayal that ultimately led to his downfall. His enemies conspired against him, and so, he met his end, his power and glory fading into memory, so he thought, but something else happened at the point where he thought he had lost everything. Ainz suddenly woke up in a different place, another world to be precise, a world as cruel and twisted, and similar to his previous world, yet different. In this world, Ainz was rebirthed as an abandoned child of a noble, where he learns of the cruel fate of his reality. However, by chance, he was reincarnated with a system; The Shadow Monarch System, through the system, he lives the life of a Shadow Halfing turned Monarch, while making power his only reason for living. Following the path that has been laid out for him through the system, he would pave his path with his army of dark and terrifying creatures, as he snatched the lives of his enemies until he was once again called the king of death. ----------- [Congratulations! You have accepted Mark of the Shadows!] [You now bear a faint scent of Shadow!] [Shadows now recognizes you as their own!]

🥉(Bronze Medal in "I Got A System in The Reality" contest) 🥉 Everyone treated Davis like trash, especially the Anderson family, where he was supposed to be considered part of the family. The only thing that kept him going was Susan, the first daughter of the leader of the Anderson family. However, when Susan chose to be with another man, Davis no longer had a reason to stay with the Anderson family. When Davis felt his life was at its lowest point, something unexpected happened to him. A system suddenly appeared and took him on a long journey to uncover his identity. [Conditions fulfilled] [Initiate the system installation process] [System installed successfully] [Heir Status activated] Cover By: Meganovel

Meteors hit the earth and unleash destructive monsters. Suddenly the selected humans got an extermination system. Humans who receive the gift of the system must protect other humans from attacks by increasingly crazy monsters. But can they defend the earth from looting monsters?

Elliot Kane is a scrawny, introverted college freshman at Crestwood University, relentlessly bullied by the campus elite: jocks, frat boys, and social media influencers who thrive on his humiliation. One night, during a particularly brutal encounter that leaves him battered in a dark alley, a mysterious cosmic anomaly binds an alien neural entity to his mind: the Death Mind System. This system grants Elliot a chilling power: by knowing a person’s true name and whispering their death in his mind, he can kill them instantly, their body collapsing as if their soul were snuffed out. No evidence, no trace; just a thought, and they’re gone. But the system isn’t just a weapon; it’s a living, evolving intelligence that feeds on death. Each kill upgrades its capabilities, unlocking new mental abilities: telepathic manipulation, memory siphoning, even glimpses into the victim’s final thoughts. The more Elliot kills, the stronger and more addictive the system becomes, transforming him from a timid outcast into a calculating force of vengeance.

Felix was one of the best elite special ops soldier in the world and now he is reincarnated as a bookkeeper with a trash ability in a Esper filled world which thrives on the rule of the strong prey on the weak, when he is give a nameless book by a mysterious stranger, he gains a system and finds out that his supposed trash ability is actually a powerful ability above the SSS rank so now he is determined to find out the truth about the parents he never knew and on the way he meets powerful people and the mysterious stranger who introduces him to a whole new world of adventure and danger.

In 2068, humans mutated to survive in the post-apocalyptic world. They got extra genes in their DNA, granting them cool abilities like super strength or shooting fire from their hands to battle the cruel monsters dominating the Earth. In New Orleans, a dystopian country, there was a special school to train young talents called Neogen High-School. All kinds of talents and abilities are there, and every Neogen graduate would become part of the New Government, joining the Elite Rangers, a special and highest-ranked force in New Orleans. However, Avery was an exception. He got into Neogen on a scholarship but got treated like an outcast 'cause he didn't have any special talents. He stuck at the bottom of the social ladder. Coming from a rough background, he was always underestimated, and even turned into a walking ashtray for his classmates. One day, he was thrown into a dark abyss by someone he thought was his only friend, and he fell into the bottom pit to meet his death. "Yeah, maybe this is the best path for someone talentless like me. Dying alone in a dark and lonely place like this." [Ding!] [All conditions for activating the 'Underdog System' have been met. Avery Blythe has been chosen as the host system.] [Underdog System will be activated.] [… 99%] [Underdog System activated. Complete all quests and climb the social ladder. Don't let the bullies win. Show that an underdog can beat them all!] "... huh?"

After the death of his parent. Max became half crippled and he had to with the help of a staff. He went to live with his grandparents. He was lucky enough to be among the few who got admission into Prospera Academy on Scholarship. It was a school meant for the rich but that was when his problem started. He was bullied by Zaco, one of the Elites in the school. Zaco's father had given out scholarships to many other students and Max was also a benefit of it. He met with Flora who was the most prettiest girl on campus who decided to date Max because he was brilliant. little did Max know she was sleeping with Zaco. when Max found out, he confronted Zaco and they engaged in a fight. Zaco pushed him off the cliff off the school and he landed on the floor dead. As the heavy rain poured into his eyes and thunder crackles, Max saw a system In front of him telling him to be a grim reaper for a powerful system. The system was ready to bestow him wealth only if he could follow the laid down ruless