reincarnated as the demon king's son

He has to save his dying mother and he has no option left but to become a contracted son in law and bodyguard of billionaire daughter in return he would have million dollars. But he didnt know that she has her scars as well, and he has to complete the task to make her weak and get her properties

Mark William was greatly maltreated and looked down on as the worthless Son-in-law in the family until he was finally handed a divorce paper from his cheating wife who grew tired of the deadweight in her life. But in a twist of fate, Mark stumbles on a mysterious ring that changes his status from a poor wretched Son-in-law to a mighty trillionaire. It was time for his ultimate revenge and he swore never to let those who mocked and maltreated him escape his wraith. Read to find out how this intriguing journey ends...

When two identical but rival twins fight for a crown, fell in love with the same woman, and hate each other with passion, the expected conflicts burst out in the peaceful town of Greenwich, after the murder of the mafia king. El Capone believed in his father's decree and was ready to uphold his legacy. El Ramon hates his twin brother with passion, fell in love with his wife, and wants sole control of the largest island in Asia, along with the respect and wealth attached. The priest is the leader of the merchant from country P, and they all came in search of opium, found it in large quantities, and decided to reside in Greenwich because of its surplus supply of it. Humans' wants, as we know are unlimited, the more we have, the more we want. Priest desire the throne of the mafia king, and nothing can stand in his way. Except for the ghost of the mafia king himself.

At the tender age of seven, Ethan Sanders's family were brutally murdered. Fortunately, he was saved by an old man who took care of him. In fulfillment of the old woman's final wish, he married Tina Macy, who was managing her family's business through numerous challenges. After they wed, Tina Macy's business boosted, becoming a top 10 in Newberg City. Realizing her business had peaked, Tina's parents told her to divorce Ethan, thinking that he's useless and poor. At first, she refused but she later served him divorce papers a few days after the old woman's death. However, they didn't know that Ethan Sanders is a mysterious man, the best mercenary, most talented businessman, the best doctor in the world and the king of the underworld world. He's also the leader of all the Mafias. He built a business empire when he was young and he's extremely rich. Now, Ethan is ready to avenge his family's death and those that looked down upon him won't be forgiven.

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.

X, that's what he's called during the mission. The man who has become an assassin in a country suddenly gets an unexpected attack and dies in a cliché until his soul occupies the body of a poor man who only lives with his-in-laws. Dominic Louzen is a poor son-in-law who his wife does not even love. But, unfortunately, X occupies Louzen's body without getting any memories from the body owner. "Oh Shit! How can I occupy the body of a poor son-in-law like him?" Not only that, living with a fussy and demanding in-laws made X choose to leave. Relying on his killing skills to get money, X came a cross an organizations that brought him to reality. "Me, your leader?!" Who is Louzen? Is there a particular reason X occupies his body? So, how does X, who occupies a new body, begin his life journey to become the identity of Louzen?

Mason Huttons has to endure every insult thrown his way by his wife's family. Accused of infidelity, he's divorced and thrown to the streets with nothing. It turns out that the lady he saved was his sister and he's the infamous devil, the Capo of wolves Mafia organization. It's time for him to take back his rightful position as the heir of the Smith family and a Mafia Captain.

Darren Awalker Miller was known as an useless son-in-law, an ex-con that was in jail for four years, and a jobless man. When he was released from prison, he got a divorce paper from his cheating wife and was kicked out of his in-laws' mansion. No one help him, nor his best-friend who betraying their friendship. At his lowest point of life, Darren found himself coming to the year 2062. A future where his real identity is main heir of Miller Family, America's number one richest conglomerate family. He got a strange Revenge Success system who help him ruin his empire bussiness. With his big power and new potential, how can he strike back to everyone who treats him badly?

Nathan Hunt, a young man burdened by his father's debt and trapped in a loveless marriage to the daughter of his tormentors, finds his life turned upside down when a pair of inherited dice unlock a powerful family secret - The Fortune System (FORST). This sentient system promises wealth and freedom, but at a cost: weekly challenges with unpredictable rewards and punishments. Driven by the promise of vengeance and a desperate need to reclaim his life and rescue his sister who's also a slave with his in-laws, Nathan embraces the FORST's gamble. Each roll of the dice unlocks not just wealth, but the perfect means for retribution and revenge. It's time to take revenge, time to take over their world, time to make them pay.

Marc is a young man who has decided to leave his family, the powerful Alonso family, to pursue his own life and make a name for himself. However, when he encounters his former family's henchmen in a marketplace. Despite his initial reluctance, Marc decides to take control of his life and prove to his old family that he is capable of competing with them. When he attends his girlfriend Melinda's grandmother's birthday dinner, he is confronted by his brother-in-law Jhon, who publicly humiliates him for the modest gift he has brought. Marc discovers that the vase Jhon has bought is fake and dangerous. Tension mounts when Marc receives a call that takes him to the Alonso family mansion, where he discovers that his older brother, the leader of the family, has arranged a kidnapping to teach him a lesson. Marc strives to prove to both families that he is a valuable member and not just a useless son-in-law. As the story progresses, Marc faces a series of challenges that test his determination and his ability to make important decisions. As the story progresses, Marc becomes a stronger and more confident man, able to make important decisions and face challenges with courage. Will Marc be able to escape the influence of his family and find his place in the world? Or will he be dragged back to his former life, with dangerous consequences? "A Useless Son-in-Law" is a thrilling story of struggle and determination in a world of power and crime.