My Hero Academia Crossover Fanfiction

After losing everything because of his own mistakes, he is given a second chance to fix the past. Returning to the moment before his family falls apart, he vows to become the father and husband they always deserved. With a mysterious system and a chance to rebuild his life, he will do whatever it takes to protect the people he once failed.

One moment, Alex Lopez was a brilliant 28-year-old urban planner and infrastructure specialist in Berlin, Germany a city renowned for its cutting-edge engineering, sustainable urban development, and layers of complex history spanning from the Holy Roman Empire to the modern European powerhouse. Buried under relentless projects blending historical preservation with futuristic city planning, he pushed himself to exhaustion. The next, he awakens in the frail body of Prince Alexander Valthor a forgotten son of the king, framed by his ruthless step-siblings and exiled to the barren wasteland of Valthoria. Sentenced to a slow death under the mocking order to “rule the state,” Alexander should have perished like so many before him. Dragged along with him is Annalise, his betrothed wife, who was completely abandoned by her own father after her mother died giving birth to her. But Alex came prepared with something this regressive Bronze Age world has never seen: a powerful World Saviour System, deep expertise in advanced infrastructure, resource optimization, historical regeneration, and large-scale project management, plus an unbreakable determination to build something extraordinary. Every victory earns points. Every failure raises the stakes. With milestones measured in hundreds of billions and trillions, Alex will ascend through multiple worlds, uncover the ancient truth behind the world’s long stagnation, and climb toward godhood itself. In a land where hope has long been forgotten, one exiled prince will rewrite destiny one irrigation canal, one loyal heart, one innovative breakthrough, and one hard-won discovery at a time.

Three months after the apocalypse destroyed civilization, Jake Carter has learned one simple rule: Everything has a price. Fuel is worth more than gold. Food is worth more than kindness. Trust is worth nothing. Living as an ordinary scavenger in a wandering survivor caravan, Jake expects nothing more than another day of barely surviving… …until he opens the world’s first Golden Card. Inside is a pair of ordinary-looking glasses with an impossible ability They reveal every hidden card carried by monsters before they’re killed. While others gamble their lives hunting blindly, Jake already knows which infected carry legendary rewards. Strength cards. Weapon cards. Fusion cards. Healing cards. Even mythical White Origin Cards. Armed with knowledge no one else possesses, Jake begins collecting treasures faster than anyone in history. But the stronger he becomes, the darker the world reveals itself to be. Humanity’s greatest enemy isn’t the infected… It’s the survivors willing to betray anyone for power. And somewhere beyond the endless monster hordes, something far more terrifying than the Anomalies has begun watching the man with the Golden Vision.

In a world shattered by the Cosmic Reset, ordinary scooter rider Zarek watches the sky tear open and monsters pour through. As death closes in, a rare God-Tier Architect System binds to him, granting the power to build, upgrade, and claim territory in the ruins. Betrayed by stronger survivors and hunted for his unique class, Zarek must fortify his small safe zone, outsmart ruthless destroyers, and grow from a lone survivor into a true Overlord. With danger closing in from every side, he races against time to find his missing family while turning the apocalypse into his empire. One wrong move and everything he builds will be taken by force. Will his creations survive the hunt?

David's wife, Sandra, can’t stand the thought of being married to a prisoner. Ashamed of both her husband and the stain his new reality might leave on her image, she rushes to file for divorce barely a day after his sentence begins. To her, it isn’t about loyalty or love, it’s about keeping her career spotless. But when a buried truth surfaces, Sandra learns that the very man she is desperate to cast off is the one who made it possible for her to rise to the top as CEO. She makes the bold choice to return. But discovers that her old position has been taken by the one person she fears the most; her ruthless boss. On the flip side, David is hardened. He is willing to do anything, even kill, to make sure she never reclaims the position.

Alexis was the most despised son-in-law of the Cornell conglomerate family because he was poor and blind. He was murdered by his wife and her family when the entire Cornell fortune was about to be inherited by him. However, he was saved by a kind man, the personal assistant of the Morris family, the wealthiest family in the world. Not only was Alexis rescued from death, but the man also handed over the entire fortune of Simson Morris to him. Now, armed with immense wealth, Alexis is determined to make the Cornell family and everyone who humiliated him bow down before him.

Death was supposed to be a car crash. Instead, it was a bloody courtyard and a fractured skull. Lu Chen woke up in a savage cultivation world where absolute power dictates the right to breathe. He inherited the body of a discarded heir, a murdered mother, and a stepfamily eager to bury him to secure their own rise. They think he is a powerless cripple. They think the game is over. They are wrong. The exact cheat software Lu Chen coded in his past life crossed over with him. The Titan Engine bypasses reality constraints, rewriting flawed martial arts into heaven-tier techniques and granting root access to his own body. Armed with a shattered meridian and administrator privileges, Lu Chen is about to show this ancient world the terror of a modern hack. [Welcome to the server. Your rules no longer apply.]

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.

Menphis Jackman was a meager wage worker, humbly enduring and compromising for mere money, renowned for his uselessness. He was both penniless and heavily indebted, only to be oppressed and looked down upon by others. But then one day, a large skull appeared in the town, with zombies everywhere, danger and death ominously surrounding him, and suddenly the harsh sound of machinery echoed in Menphis’s mind. It was no different from the RPG system he had once known. It gave him strength, abilities, and resources, a lot of resources, very, very many resources. To the point where he had to think: ‘How to destroy my resources?’

In his past life, Leonidas Vance was the Supreme Marshal of the Northern Front—a commoner who fought his way to the pinnacle of military command, only to be betrayed and executed by the corrupt Solar Emperor during the Great Demon Siege. Opening his eyes 10 years in the past, Leonidas finds himself back in his 18-year-old body: a disgraced, mana-less cadet exiled to the bleak Frostpeak Fortress. But this time, he didn't return alone. Bound to his soul is the Interstellar Sovereign Arsenal—a military system connecting him to the automated weaponry, orbital drop pods, and ballistic technology of an advanced sci-fi civilization. While arrogant noble mages rely on slow incantations and sword saints boast of bladed aura, Leonidas arms his starving garrison with armor-piercing assault rifles, anti-materiel sniper rifles, and heavy artillery. In a world where magic reigns supreme, the Reborn General is about to teach the empire that nothing breaks a spell barrier faster than a high-caliber round.