Sin System: Demonic Harem After Reincarnation

After his death, Mal was given the opportunity by Dewa Lorda, the god who guards the boundaries of the world of life and the world of death, to be able to return to his body in the real world. However, Mal needs to travel through time to come to the future of the world of Amapherald, a life other than human life, where he is destined to be one of the six The Seekers. In his new life, Mal only has 400 days to complete all missions and reach the top level. The mall is equipped with a system controlled by Meiden, Lorda's right hand man. Unfortunately Mal's plan didn't go that easy smoothly. He had barely passed 400 days to reach the top level and was in danger of not being able to return to his body. [SYSTEM HAS BEEN ACTIVATED] [WELCOME TO THE WORLD OF AMAPHERALD, MAL. HERE, SYSTEM GUIDE WILL GUIDE YOU THROUGH IMPORTANT MISSIONS] [THIS IS THE REAL FIGHT THAT WILL BRING YOU TO ENJOY DIFFERENT SENSATIONS] [YOU WILL BECOME ONE OF SIX SEEKERS OF PURE STONES AND SAVE THE WORLD OF AMAPHERALD] [Name of The Seeker: Mal Ricky Riordhinee] [Position: As a Guardian]

Bullied by a group of delinquent students, then fired from his part-time job for offending the family of those delinquents. Ryu Arkan felt tired and wanted to take revenge. At that exact moment, a system appeared. [Super Quest System.] The system instantly merged with Ryu, and slowly Ryu rose up, then realized one thing. His world was truly dark and needed to be fixed. Starting from revenge, Ryu stepped higher and higher together with the system.

Title: The Limitless System In a world plagued by terror and chaos, Gifteds are humanity's last hope. Among them is Marko Rivers, a teenage boy from a small village, who awakens with a power unlike any other - The Limitless System. With this incredible ability, Marko must navigate a dangerous world filled with unimaginable threats. Will he be able to harness his power and save humanity from the impending apocalypse? Join Marko on his epic journey as he discovers the true extent of his abilities and faces challenges beyond his wildest dreams. The fate of the world rests in his hands, but will he be able to rise to the occasion? Find out in The Limitless System.

When a ruthless alien tribe threatens to conquer Earth, one man must rise up and fight for the fate of humanity. Sunny Raven, a reluctant hero with incredible powers, faces his greatest challenge yet as he battles the alien invaders and confronts his own inner demons. But as the world around him descends into chaos and despair, Sunny discovers the true meaning of heroism, sacrifice, and the power of forgiveness. Can he overcome his own doubts and unite a divided world in the face of an extraterrestrial threat? Don't miss this thrilling system and sci-fi adventure that will keep you on the edge of your seat from beginning to end

In a world where gambling dictates status, power, and survival, Peter Donovan—a seventeen-year-old delivery boy who despises gamblers—has spent his life avoiding risks. But when his ailing mother’s life hangs by a thread, Peter is left with no choice but to enter the high-stakes world he’s always loathed. Desperation forces his hand, and Peter bets everything—only to lose it all. Beaten, broken, and left for dead in a rain-soaked alley, Peter prepares to fade into the darkness. But as the last of his hope slips away, the impossible happens. A faint glow pierces through his pain—a semi-transparent interface appearing before his eyes. [System Initialization... Loading T.I.M.E Protocol] Welcome, Time Gambler. Welcome to the Gambling System] Now Peter can wager minutes, memories, even years of his life—to manipulate fate itself. But every second spent is a second he'll never get back. To save his mother, to defeat the gamblers who destroyed him, Peter must master the cruelest game of all: time. One wrong move, and his future disappears. One right one, and he might just rewrite destiny.

The war with the aliens was almost never ending, Human had done their best but that wasn't enough. "The prototype is ready" the head scientist said as he touched a remote control and a humanoid figure stepped in. The humanoid robot that the scientist built was exceptionally taller than a normal human, they were called Spartan. The Spartan which consists of four human not designed by the world greatest scientists, this was the next advancement in human technology but will it be enough for the aliens

[Host Detected; Do you want to become the most powerful person in the universe? Unlock special abilities and gain immortality. Yes or No?] After being betrayed and left for dead by the wife he loved and the family he trusted, Xaden activated the Supreme System. He never knew that the ring his grandfather gave to him before dying possessed such a power. Now he has a chance to become the Trillion Dollar Consortium heir and the Supreme Manna Mage. With enemies to fight in the physical dimension and a war brewing in the alternate universe, will he succeed?

Tony Cross, a broken ex-soldier, wakes up to a system interface flashing before his eyes: [ System Activated ] [ Reality is now under your control. ] What starts as a gift quickly turns into a curse. Every use of the system rewrites his past, altering memories and erasing parts of his existence. Hunted by black ops forces and a shadowy organization known as The Overseers, Tony discovers the system was never meant to empower—only to control. To survive, he must outmaneuver Zero, a ruthless assassin who has mastered the system, and find Dr. Valeria Kane, the rogue scientist who knows its secrets. But as reality fractures around him, Tony faces an impossible truth: He is no longer just a man. He is becoming something else.

Jacques Albert, the cool kid from high school had lived most of his life in solitude. He found company only when he is with a game pad tapping away his game characters to victory. Along the line, Jacq's friend Karl indirectly made him popular among the boys when he invited him over to the skate park to have fun. He ran into a sort of trouble with a skate gang and the only way to redeem himself is to beat Cyrax, the best gamer in the area in a 1v1... "... But do you know what else I can do? Jacq went on like he hadn't been interrupted. "... I CAN GAME." He gained a little popularity after then but suddenly, his life took a whole new turn. He was kidnapped by a secret corporation that deals with an advanced futuristic technology... The commander of the Corp was his classroom crush from high school, Cassie. He found out the reason for his kidnap later on, and in another wild turn of events, Cassie planned his escape when her father wanted to have them killed. Their adventitious run from the soldiers led him to the source of the advanced technology the Corp operates on. By accident, he suffered a deadly blast from the when he got close to the Blue Orb. He died... Then, rose back to life again mysteriously. But a strange system followed him back to his present life. With the system came serious responsibilities, as he has to use to use the system to solve his many mysteries and overcome his many obstacles. Will he be able to master this Strange System and survive the dangers that lurk in the shadows?

Merving Ric was born into a humble background, but he marries the daughter of a wealthy business tycoon who despises him due to his lower social status and consistently creates problems for him. Suddenly, the spirit Qi of heaven and earth returns to Earth, allowing people to cultivate once again. This change brings about a new era in which powerful cultivators emerge, threatening the power of the world government. These cultivators are so strong that even the most advanced weapons are useless against them, causing people to seek other means of survival beyond wealth. The wealthy seek to cultivate or hire strong cultivators to protect them and their riches. Seeing an opportunity to rise in this new era of cultivation, Mervin Ric attempts to cultivate, but he is unable to absorb the spiritual Qi becouse it was discovered that he had no spiritroot. Disappointed, his father-in-law agrees to replace him with somone who is destined to become a powerful cultivator. Mervin Ric tries to fight back, but he was secretly murdered by his love rival. As he was dying, he is saved by the bloodthirsty demon of redemption, one of the two most powerful beings in the cosmos. The demon had previously fought against his nemesis, the avian of light, but lost and had his system's power source, the heart, detached and lost into the void. The demon of redemption chose Mervin Ric as his successorand and gave him the system, which grants him immense power beyond that of the cultivators on Earth. However, he was also given a mission to return to Earth and find the lost heart of the system in order to reach the final cultivation level and defeat the demon's nemesis, The avian of light or he dies