My Multisystem In Isekai

I became rich all of a sudden and instead of getting back on those who hurt me... I try to get rid of those who try to belittle me and take my place as the rightful heir.

Ethan Carter thought he had everything—a loving wife, a successful career, and a future worth fighting for. He was wrong. Betrayed by the woman he loved, abandoned by his closest friend, and framed for a crime he never committed, Ethan lost everything. On the night he died, he made only one wish: “If I could live my life again, I would never trust anyone.” Then he opened his eyes. He was back ten years in the past, before his downfall had begun. But this time, something was different. A mysterious System had awakened inside him, granting him access to future events, hidden information, and rewards for changing the fate that once destroyed him. With knowledge of the future in his hands, Ethan begins rebuilding his life—one decision at a time. He will expose those who betrayed him. He will protect the people he once lost. He will rise beyond the limits that once held him back. But changing the future comes with a price. Because Ethan soon discovers a terrifying truth: Someone else remembers the future too. And this time, the enemy isn't waiting ten years to destroy him. They're coming for him now.

Gael Taylor is a broke college student working nights just to survive, until he catches his girlfriend cheating with a wealthy heir and is beaten for standing up to him. Then a single phone call changes everything. Gael is revealed as the lost son of one of the world’s richest men, with millions in his account and an empire waiting behind him. Now, the people who humiliated him are about to learn that mocking his name may cost them everything.

Levi had three things in life: a cheating girlfriend, a mountain of unpaid bills, and a computer project that had consumed three years of his life. In a single night, he lost them all. Beaten, betrayed, and abandoned in a hospital, Levi thought his life was over. Then a voice spoke inside his head. *System reboot successful. Welcome back, Admin.* The artificial superintelligence he'd spent years building had survived—and it had chosen his brain as its new home. Suddenly, money was no longer a problem. Knowledge was no longer a barrier. And the limits that had kept ordinary men ordinary were about to become irrelevant. From mastering impossible skills to building technological empires, Levi would rise far beyond the boy everyone looked down on. Those who once mocked him would soon struggle to reach him. Those who controlled the world would discover that their power had an expiration date. Armed with the greatest intelligence ever created, Levi will conquer the worlds of wealth, science, and power—and rise to the top of a world that once crushed him.

"What! I transmigrated!" Alden Finn was a popular streamer, game developer, and above all, a well-known novel reader. But suddenly, he found himself transmigrated into the body of Sammy, the main character of 'Heavenly Path Awakened' all because he called the book trash during a live stream. Worried about how he would survive in a world where the strong prey on the weak, and worse, in the body of someone who could not even cultivate, Alden began to panic. [Ding! Character Merge System available] As if the Goddess of Luck had smiled down on him, Alden awakened a terrifying SSS-tier talent. But even with such power, can he truly overcome the challenges of this world?

In a world where a Spirit Beast determines your future, awakening an F-Grade beast is a fate worse than failure. For Airis Kal, it costs him his family. Abandoned in a deadly wilderness after awakening a supposedly useless Shadow Beast, Airis must survive among monsters corrupted by the mysterious Abyssal Gates. But his beast is not what it seems. When the tiny creature reveals a power that should be impossible for an F-Grade beast, Airis begins to uncover a mystery buried deep in the world's history. Three hundred years after the Nightfall Cataclysm, humanity is still fighting for survival. As corrupted monsters grow more dangerous and hidden forces pursue their own ambitions, Airis's bond with his mysterious companion may hold the key to something far greater than he imagined. The world calls his beast worthless. The ranking system calls it F-Grade. But what if the weakest beast in the world is the one thing the darkness should fear?

Jayden Hunter spent six years giving everything to his wife, Summer. When the sky turned red and the world froze, he spent three months collecting food to keep her alive. Then she stabbed him, took every supply he had, locked the door and left him to die on the frozen floor. She was running to a warm shelter and the man she had been secretly messaging. Jayden wakes up in his old apartment exactly one year before the apocalypse. His wife is alive, the fridge is humming, and his phone shows a date he already lived through once. This time he knows everything. He knows the day the sky turns red, which cities fall first, and which people will save thousands of lives. His late mother's jade pendant awakens and opens a hidden space inside him where time stands still and nothing spoils. Jayden quietly sells what he owns and fills that space with a year's worth of food, water, medicine and fuel. He builds a fortified base, gathers a team of people the world will soon need, and plans a divorce that will leave Summer with nothing. But the apocalypse is not a simple disaster. The timeline is shifting, monsters are waiting in the snow, and a hidden force behind the collapse is watching his every move. Jayden wasn't sent back to survive. He was sent back to rebuild the world, and to make the woman who betrayed him watch him do it.

'What did I do to deserve all this?' James thought to himself as tears of sorrow and regret streaked down his eyes, 'Just because I'm the unwanted one? They've decided to treat me like trash and throw me away. Well, I've decided to grant them their wish– I'll die here and save everyone the bother of seeing a failure like me.' **** The next time he opened his eyes, the first thing he saw was a light blue screen hovering in front of his face. 'What the hell is this?' [Ding!] Now armed with the power of the system, James Jade embarks on a grueling journey of revenge against those that made his life a living hell.

Beneath the glamour of the Whitlock Group lies a betrayal of the most vicious kind. Martin Whitlock, a seemingly perfect billionaire CEO, is stabbed and thrown off a cliff by Miller, his identical twin brother who grew up in bitter poverty. But death refuses to claim Martin. Saved by a mysterious doctor, he awakens with a ruined face and a reality far more excruciating than his stab wounds: his beloved wife, Moana, isn't even looking for him. Instead, she willingly welcomes his murderer into her bed and his company, all for the sake of power. Betrayed by his own flesh and blood and discarded by his wife, the angelic side of Martin died in that forest. He returns to his empire from the very bottom, disguised as a disfigured courier. He doesn't come demanding answers. He comes to reclaim his empire, shatter his enemies' sanity, and make the wife who betrayed him crawl and beg at his feet. Because the ultimate revenge isn't murder; it is absolute poverty.

Adriano Wijaya is granted the Balance System in a collapsing world. He can upgrade his community, but only at a cruel cost: a hard limit on the lives he can protect. As he climbs the ladder of power, he must choose between his humanity and the survival of the few.