my multisystem in isekai

Roman Cooper was a live-in son-in-law of the Rodriguez Family, he was secretly assigned to help his wife's family business from going bankruptcy. After finishing his objectives, the Rodriguez Family see him as nothing but a worthless man, and treated him like a slave. His wife filed for a divorce, and tried to get him killed, Roman Cooper decided to get revenge for all the suffering, humiliations, and pains the Rodriguez's had made him passed through.

Born into a noble family and endowed with tremendous power, exceptional talent, and unparalleled physical attractiveness, one might assume these qualities to be blessings. However, are they truly advantageous or rather a curse? Allen Frey, a young man destined to inherit the illustrious lineage of Duke Frey in the Kingdom of Eldoria, finds himself entangled in this very predicament. Given his extraordinary social standing and the multitude of advantages at his disposal, it seems inevitable that Allen will lead a prosperous life and ascend to greatness in due course. What if this perceived fortune is merely an intricate facade, perpetually deceiving him at every twist and turn? What if it's all an elaborate lie? A hero summoned from another world with the mission to vanquish the Demon Emperor ultimately becomes the perpetrator, stripping Allen of everything he holds dear—his fiancée, sister, power, strength, and all that he possessed. Does this constitute fate? Even the figure known as the "Hero" ultimately eradicated his very existence. Can this be considered justice? In the final moments of his life, he gazed upward at the serene sky, mustering every ounce of strength to reach out his trembling hand. "Oh, God! Are you truly so merciless as to shatter my life?" "Can... Can you grant me an opportunity to alter this cruel destiny?!" He cried out, his voice strained, tears streaming down his face, and gradually he closed his weary eyes. [Ding! Fate Fighting System Successfully Bound!]

People always say Alan is very lucky to be the son-in-law of the Wongso family. One of the wealthiest conglomerate families in Southeast Asia. But Alan felt just the opposite. Insults, cynical stares, and hurtful expletives were something he was used to on a daily basis. Although his wife, Lilyana Wongso, always encouraged Alan, she could not go against the will of her family. Lilyana was unable to protect her husband from the evil treatment shown by his extended family. Including his own father, who considered Alan a shameful burden. Constantly instigated to divorce Alan because he was poor and of uncertain origins, Lilyana was ultimately helpless. She was forced to leave Alan to satisfy her parents' wishes. That is, until one day, a revelation reverses everyone's position.

In a world where guns and magic coexist, Ezra Romanov is born with an E-level magic talent and aims to become an Ace Gunner one day. However, all his dreams are dashed to pieces when a terrible accident cripples his hands, making it impossible for him to shoot properly. The child prodigy soon becomes an object of ridicule and even his fiancé threatens to break off their engagement. But just when all things seem bleak and hopeless, a mysterious eye becomes bound to his hand, giving him access to a magical gunsmithing system which allows him to craft and modify enchanted weapons. With his newly acquired system Ezra embarks on a journey to rise to the top and become the best Gunner on the continent. [Legendary Cursed Eye Awakened!] [Gunsmithing Talent Unlocked!] [Gunsmithing Level: F!]

On the surface, Ethan appears to be a useless groom, but behind the scenes, no one knows that he is the heir to the most powerful family in the United States! His wife divorced him for money and power, and others constantly looked down on him. Until everything was exposed, Ethan returned to his true position, and everything was just beginning! All those who had scorned and oppressed him had to regret and pay the price!

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.  

Oliver James Smith gave his all to Lily. Over the years, he sacrificed his hard work for Lily's family to avoid being looked down upon. Until finally Oliver got divorce papers right when Lily officially became CEO. Lily got engaged to another conglomerate man, and Oliver was unceremoniously kicked out. His life hit rock bottom when Jane, his mother, died because she did not receive the treatment promised by Lily's family. Oliver is entangled in debts for medical expenses, funeral expenses, and debts to loan sharks that are suffocating. Then a stranger came to pay all his debts, saying, "Greetings, Mr. Oliver, it is time for you to return to your real richest family." With the power of unlimited wealth, Oliver rise up and reappeared to broke the Lily Family. He will show how excruciating revenge can be—until they tremble to mention his name.

Paul Leonard never had life easy for him. His in-laws treated him like a mere peasant and forced him out of his marriage. His wife couldn't bear the sight of him and ridiculed him without mercy. His in-laws could seize the air he breathed if the chance came to them and they decided to frame him for a Ponzi scheme that ultimately saw him sent to prison. Just when Paul started thinking about how prison life was going to look like for him, there was a swift rescue, prompting the start of a turnaround for Paul. Revenge became the name of the game but how far would the burning fire inside of him quench his enemies? How much further can this new zeal take him as he battles personal and ancestral enemies on his way to the top?

Alex was seen as a pauper by his family In-laws, he was humiliated and seen as useless and incompetent. He was regarded as a burden by his in-laws, They never believed he would be rich. His wife divorced him for another man. He was betrayed by the one he loved so much. But things changed for Alex, He became the richest man in the world. His in-laws were filled with shame and disgrace seeing the person they despise being a billionaire. They planned to eliminate him and he had other obstacles that stood in his way. Would he achieve his goal of being successful after finding wealth? Will his quest for revenge limit him from going forward? How would he treat the people that maltreated him? Find out all of this in the rise of the penniless Son-in-law

World-renowned scientist and two-time Nobel prize winner Elric Mageia, due to an unexpected lab accident was suddenly transported to a western fantasy world. With only an accidentally soul-bound A.I chip, see how he uses his past life knowledge to conquer his new home.