Reincarnated As The Demon King's Son

Humans were living peacefully on Earth for millions and millions of years until the day unknown monsters who called themselves Sulckers, invaded them from beyond space. They were fast, ruthless, and cruel monsters ready to claim earth realm for themselves. Humans were being slaughtered mercilessly by the seconds and civilization came crumbling in the face of the invaders. However, just when humans were on the verge of going extinct and nonexistent, a heaven-sent phenomenon occurred. A small group of humans with awoken special abilities came to light and shared their abilities to the world. Teleportation, fire manipulation, water manipulation, monstrous strength that could move mountains; humans had finally gained the power to fight back. With the combined effort of the small group of humans, the Sulckers were pushed back to their planet, and humanity once again regained control over their planet. Though the battle ended there, the war was not. This war had created many orphans, and among them, Erix had lost everything, even his parents at a tender age. And the only thing he had received from their death was a pale-looking necklace. He was bullied every day at school because of how weak and abilityless he was. However, once the necklace was finally activated, Erix was granted a system, and his whole life was turned around. He completed quest after quest and became more powerful, until one day the system gave him a weird quest he wasn’t sure he could complete. [New quest received] [Control your uncontrollable thirst for human blood. Abstain from human blood, but during this time your HP would keep decreasing by -1HP/1 hour. Quest will be marked complete once you have lost all your HP]

Demetrius' life underwent a breathtaking transformation when, after enduring 16 years of destitution and a profound sense of aimlessness, he stumbled upon the miraculous reunion with his long-lost biological parents. Enveloped in their opulent riches and commanding influence, he naively anticipated a brighter future. Alas, reality swiftly shattered his dreams as he discovered himself alienated even within the walls of his ancestral home, scorned and forsaken by every soul, including the very servants. To compound his torment, his adopted brother not only seized the throne that rightfully belonged to Demetrius but also pilfered his cherished love interest. Driven by an all-consuming blend of indignant fury and an unyielding thirst for retribution, Demetrius forged an unwavering resolve to reclaim his rightful position and ensure that those who inflicted harm upon him faced the consequences of their transgressions.

In his wife's opinion, John was a piece of garbage. A piece of tissue paper was thought to be his priceless gift to his wife. Nobody knew he was General Carlos's son by another woman. The Carlos family never anticipated his arrival. What will transpire, however, if he is chosen to succeed the General as a New General of the City?

Elijah Morris, a young billionaire, pretends to be poor and endures three humiliating years of marriage for the sake of a business deal with his grandfather. A few hours after the agreement ends, he discovers his wife's infidelity, leaving him betrayed. In a fit of rage, Elijah confronts his wife and her partner, resulting in a violent altercation that leaves him in a wheelchair for several months. As Elijah rebuilds his life, he becomes wealthier and is determined to seek revenge on those who have wronged him. Elijah digs deeper into the world of vengeance, revealing dark secrets and betrayal within his own circle. Along the way he embarks on a journey of self-discovery and love.

Luc is a man who has the nickname of the useless son-in-law of the Crowwel family, his presence is like annoying trash for the big family. During his time as the son-in-law of the Crowwel family, his life was full of insults, one day he found out his true identity which is the son of the richest man in his country! Luc rose to be stronger and began a plan of revenge on anyone who had ever destroyed his life.

I’m a god of war, a mystery and perfect picture of complications. But don’t spill. They can underrate me all they want. They will never guess what my comeback becomes.

Logan's hard work and dedication go down the drain after getting physical with a man he had no idea about to protect his girlfriend. He finds himself in prison after the man who he had fought with, who also turned out to be the son of one of the most influential families in the US had thrown him into jail but he was comforted since he knew he had his girlfriend waiting for him. Three years later, he comes out of prison only to find his girlfriend getting married to the same man that had caused his demise and after being humiliated and degraded, it only brings about an unquenchable thirst for revenge. When a mystery old man gives him a ring to find an organization, Logan's life will forever take a huge turn and his ultimate revenge plan will be more than easy to execute.

For years, Kellan swallowed his pride to live under his wife's family roof, mocked and dismissed, treated like nothing. He told himself it was worth it because he loved Vivian. Then she proved him wrong in the cruelest way possible. She kisses another man right in front of him. Insults him in front of everyone who ever looked down on him. Stands by laughing as her lover throws money in his face like he's a beggar. Kellan says nothing. He simply walks away. What none of them know is that the "worthless son-in-law" they've spent years humiliating is actually the missing heir to a fortune that could swallow their family whole, and he's done hiding. One by one, everything Vivian's family built starts to crumble. And when a woman who wants nothing from him but the truth walks into his life, Vivian realizes the husband she destroyed might be the one man she'll never get back. He was never as weak as they thought. Now they're about to find out just how strong he really is.

Jason Mairer, a poor young man married to the daughter of Damien, the owner of the television station where he works, Esme Even though his second marriage was opposed by Esme's parents, during his time as son-in-law in the Damien family, Jason always received insults and bad treatment. Even because of a mistake, Jason was kicked out of his parents-in-law's house and separated from Esme. Who would have thought that Jason was the recipient of an inheritance from an old grandfather he had helped? With the wealth he has, Jason can get Esme out of Damien's house. And in the end, it was Jason who helped Damien's family, who were always in trouble.

To save his sister, Asher Kane must become what he hates most, a demon. Each victory strengthens him, and awakens the Sovereign’s hunger. To save the only person he loves, Asher must climb to the top before the Sovereign seizes the throne of his soul. And when he discovers Lila Kane is the reincarnation of the Sovereign’s lost lover, the line between vengeance and devotion collapses. The man who was worthless may become either legend, or Erevale’s last calamity.