Reincarnated As The Demon King's Son

Melvin was taken aback, exclaiming, "What!? How could you have two sons-in-law when Naira is married to me?!" He stared in disbelief at his mother-in-law, who responded with a cruel smile. "Because she's going to divorce you!" she sneered. A sinking feeling enveloped Melvin as if the ground had been pulled from under him. He felt utterly humiliated when her laughter further punctuated his situation. Enduring a wretched existence in his wife's home, subjected to insults and disdain, Melvin's life took an unexpected twist when his grandfather called. The offer to rejoin the family business provided a glimmer of hope. Would Naira proceed with the divorce upon learning the truth? Would his mother-in-law's treatment persist? And could Melvin contemplate a return after all he'd been through?

Ryan Wolf, a live-in son-in-law of the prestigiousKardashian family, is treated like trash, unaware that he was once a mighty lieutenant general commanding thousands. On the brink of losing his marriage to Kim, his forgotten past suddenly resurfaces. But will it be enough to save his marriage and make those who looked down on him pay?

After a one night stand, Logan found himself in a contract marriage with a rich heiress. He is treated like trash and looked down upon by his in-laws and everyone who doesn't know his identity for being poor and useless, not knowing that he is known as the "Blue Carter" in his own world as a Mafia leader and a secret billionaire boss with tons of fortune under his name.

Noah Hunter was the son-in-law of the wealthy Noble family. He lived a life as a servant. Parents-in-law despised him. His wife didn’t care. The Other family members took pleasure in torturing him. For five years, Noah lived in hell. Noah had an enormous debt and a poor old mother. He couldn’t escape the Noble family. Noah had no right to die. A strange encounter with a homeless man changed his life. Now, Noah will start revenge.

Leon just came out of college and arrived in a town when he saw a kidnapping that made him want to help her, a girl he rescued turned out to be a girl who had been matched with him. Leon deliberately hid his true identity to fool the enemy, but it made his wife Celine and his family despise him. Will his marriage survive? And will Leon be able to eliminate all of his enemies?

Everyone mocked him. The useless son-in-law. The weak heir. But beneath that quiet facade...he is the one they should fear. Betrayal, Divorce, and Revenge are coming but no one will see it coming. Can the incredible son in-law rise from shame to claim what is rightfully his?

Klein Anderson, a bullied and humiliated orphan and now the live-in-son-law, who everyone looked down on and regarded as a freeloader. Is the heir to his grandfather's multi-Tillion company but all of these remained a secret. In a world where wealth and power is the weapon, Klein promised to outmaneuver and make those who looked down on him crumble at his feets and beg for mercy. A tale of resilience, revenge and redemption. 

"I am going to make all of them pay. I am going to take revenge of everyone who looked down on me my whole life." Ding! "You have activated the secret system." Michael is a 25 year old man who just got thrown out of his wife family business. When his wife and her family despise and humiliate him for being poor Michael swears to get revenge on everyone who ever has turned him down. And just then, after almost getting hit by the car he activated the secret system. With the help of the system, he will recognize his full potential and take his revenge on those who wronged him.

To protect her, he gave up his lifelong glory, accepted to live in his wife's house, and lived a frugal life... She gradually discovers that her useless husband turns out to be a talented hero in the world…

Ethan Caldwell has spent years enduring the Harrison family's scorn, labeled a worthless son-in-law unworthy of their daughter, Emily. But behind the facade of a humble life lies a secret: Ethan is the heir to Kingsley Mountain, a shadowy empire of unimaginable power and wealth.   When the Harrisons push him too far—forcing him to take the fall for their crimes and scheming to tear him away from Emily—Ethan finally breaks. The man they humiliated will now become their worst nightmare.   As hidden enemies rise and old family secrets unravel, Ethan steps into his true role, ready to reclaim his destiny and destroy anyone who stands in his way.