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Luke Hellwalker was one of the heroes summoned by the angels to slay the thirteen demon kings, but he was betrayed by the very ones he fought for. He was offered a second chance by one of the previous demon kings turned system at a certain cost. He will become the new demon king. If his only choice was permanent death and becoming a demon king, then so be it. He was going to go back to the beginning and get his revenge on the ones who used him.

William is a young man with no family name. He lived with his foster family in the Englewood area, leading a difficult life as a low-paid janitorial worker and always being humiliated. William didn't suffer much when his adoptive father, Daniel Johnson, was still around. After his death, his adoptive mother Sheryl and her two sons tortured and oppressed William. They made him a slave to make money and also tortured him. William stayed there because he thought he had to help his mother and brother. However, one day he caught Jordan, Sheryl's eldest son, making love to William's girlfriend Merida. Because of this, Williams was angry and they lost. Unfortunately, in the end William was beaten almost to death and then he was left on the street under heavy rain. However, the surprising thing was that when William woke up he was in a luxurious and comfortable place. Someone brought William, he was Julian Winter, a lawyer from the Lucas Anderson family-one of the richest businessmen in Chicago. Not only that, Julian also told him that William was Lucas Anderson's grandson whom he had been looking for for 10 years. William's world changes instantly when Julian shows proof that he is not mistaken and not only can he find his family, William is also entitled to his grandfather's company and all Anderson's assets are his. William will keep this a secret. He will make a calculation on the Johnson family who are mean to him. They had to realize what he had done. From that moment on, William began his adventure as Lucas Anderson's grandson.

When a sudden supernatural storm wreaks havoc on Griffin City and releases mysterious monsters from portals, Mason risks his life while trying to save his foster brother, and fails, but is beaten to death by a bully. At the brink of death, he awakens a system through an old necklace given to him by his father before he and Mason’s mother were killed by a shadowed figure during the first occurrence of the same storm that dawned on their city ten years ago. The system grants Mason the power to respawn after death infinitely, yet his power is mocked as a useless one by those who also awakened superpowers during the storm. However, there's more to his powers than he even knows. With the system, his abilities are limitless. He decides to groom his powers when he sees his potential and fights against the monsters that appeared from the portals. In the long run, as he unravels his powers, he becomes a prize for envious power hungry supernatural beings he never knew existed and decides to hide behind an alter ego known as “Devil's Spawn”. He joins the secret Protectors’ Guild to protect innocent citizens when he realizes that his foster family have no way to protect themselves. Things take a turn when his foster sister goes missing. He goes in search for her and crosses paths with the shadowed figure that killed his parents again. His memories are triggered and he's hellbent on knowing who the shadowed figure was. Revenge becomes his game. However, he soon realizes that there's more to the supernatural storm than it meets the eye. Will Mason choose revenge or to save the world from the hidden dangers lurking behind the portals?

Lincoln Zane was a poor guy, and even his girlfriend cheated on him because he had no money. He rushed to catch the adulterer, but not only was he humiliated, but he was also almost beaten to death. At the critical moment, he activated the System. Turns out many random people have been awakening this system which gives them unimaginable power or wealth or both but being chosen is completely by luck. Lincoln Zane didn't feel on top of the world when he awaken his system but hey, What will it take to get to the Top?

When a poor young man receives an extraordinary system, he realizes that the only way to unleash its full potential is to become the ultimate human being. Daniel Elrod is a poor student who attended university on a scholarship. After he was forced to leave his girl, a super AI came and gave him a system for unlimited money and super abilities. When he realized that he could only spend as much money as possible if he had a high position, he tried to get the highest noble title in human history.

Lucas dies in his first life saving a boy from being hit by a truck. He is then reborn in the land Ivandale, a world filled with mana and magic, and in this world he is called Leo. But Leo doesn't have any magical affinity in the land of Ivandale, he believes that he will be useless without magic and wants to live a peaceful life with his mother. Unknown to him, his mana core was sealed by his mother, but dark forces attack his home, and his mother dies while protecting him. Leo is left alone in the world, but he is taken to his mother's former comrades. The warriors tell him that he has the potential to become the strongest warrior in Ivandale, and then choose to help him unseal his mana, unleashing his true strength. But the same force his mother died protecting him from had started a hunt for him. Why are they after Leo? Will he unleash his true potentials and face this evil, or will he continue to run all his life? What secrets about his lineage will he uncover through his new journey?

Alexander was known as the nerdiest student on campus. He had to live a life of exile. However, he was quite close to the most popular girl on campus, Michelle. She was the girl Alexander loved so much that even made Alexander think that Michelle loved him too. But it turned out it was all bullshit, Alexander became a victim of bullying from rich kids on campus, he was trapped and will be killed by them. Until one morning, when Alexander woke up, everything suddenly changed. His life on campus became very enjoyable according to what he had always hoped for. He became very rich and was one of the most popular students on campus. A return button was pressed, Alexander returned to his miserable life. Alexander’s eyes widened completely when he realized that in reality he was in a two-dimensional world that felt so real. So, in which world dimension will Alexander choose to live? A dimension where he was only known by Jenifer—the nerd with the thick round glasses? Or the dimension where he became very popular and got the girl of his dreams, Michelle?

Andrey Makiya finds himself unknowing of who he is, barely conscious and on the verge of death. A death certain were it not for the passing soldiers of Wartair. Though, what seemed to be saviors turn out to be the people locking him behind bars, accusing Andrey of being an enemy spy. There he laid jailed, still famished and forgotten, but that all changed thanks to the mystic touch of a gentle sorceress' hand which recovers his lost memory. Now, confusion sets in. Andrey has fallen into a world full of new physics, magic, and war, unknown to anything in his previous life. As he finds more about his connection to this realm, he may discover his own powers, but may he ever truly find a place where he fits? Across dimensions, he is forced to seek answers about his past, the truth of his birth, his real identity, and what purpose he serves to the new world. Becoming a traveler through dimensions and worlds, as well as a battle-mage with great ambition, Andrey must grow to overcome the rulers of these planes, less he wish to have his tale misconcluded.

Ethan Cross was no ordinary mercenary. Beneath his skin, something ancient lurked — a fragment of divinity long thought destroyed. He was Aurelian, the Warlord of the Sun, a god exiled from Heaven for daring to defy the divine order. Now reborn as a man, he has no knowledge of his pasty life, his power sealed across six celestial locks, he walks the human world as both weapon and curse. But when a mafia heiress named Elena Vitale saves him from the brink of death, everything changes. In her eyes, he sees the spark he lost — compassion. Humanity. And something dangerous: faith. He was ready to endure anything for her, including the degradation and humiliation her family put him through until he could take it no more and when all six locks sealing his powers were broken, his memory returned, he decided to fight the world back with his divinity and power.

Razel, is a reincarnated youth. In his previous life he was a lonely boy who spent his days playing video games. Then one day tragedy came into his life. It all ended for him, was what he thought, until he opened his eyes; to find a fantasy world, where science and magic go hand in hand. That could have been a joy, but that happiness was nipped in the bud, because he reincarnated as the eldest son of a poor family of barons without territory, and, above all, he is uglier than in his previous life. His tragic new life doesn't end there, as he woke up in the last video game he played. An otome game. But not just any otome game, it is one with an RPG theme so it is made up of strong and dangerous enemies. He will have to live his new life as a background character and help from the shadows to the capture objectives and the protagonist to avoid the end of the world and especially, the cruel villainess.