My Hero Academia Crossover Fanfiction

Frank Hart lived a peaceful life with his mother in the lonely town called Marble, he had most of the things he needed and life didn't seem to be harsh on him without a father. Deep in the forest of Marble town was an underground settlement but it was abandoned. The body of a tyrant was buried beneath it, but it wasn't locked up forever as the duration of the spellbinding the tomb was complete, the beast lord broke out and along with his ugly beasts turned the world into a state of dilemma. Frank had to flee along with his mother into one of the few refugee camps that the humans had. There was a war, a war between humans and the beast lord, with the population of humans declining Frank was forced to go to war. With no experience at all on how to fight, he struggled until he was at the point of death. "Is this how it ends for me?" Frank grunted as he pulled himself across the hard floor. A drop of blood fell from his forehead and landed on the blue necklace on his neck, a gift from his mother. The necklace began to glow and at that point, he lost consciousness. [ System Active ] [ You have obtained the wonder system ] P.S: The system is not the main focus of the novel.

What if the weakest boy in the world awakened a power that could rewrite reality? Riley Anderson has always been powerless. In a world ruled by awakened abilities and crystal-born hunters, he’s nothing but a forgotten name, mocked, ignored, and left behind. Until the day the system chooses him. When a monster invasion threatens his town, a mysterious interface activates within Riley, unlocking a forbidden power no one has seen before. Weapons born of thought. Predictions of enemy attacks. Insight into the very laws of magic. In one moment, he goes from rejected to unstoppable. But power comes at a cost. Now the academy watches him. Enemies gather in shadows. And Riley is thrown into a team sent on a deadly mission into the unknown. He must hide the truth about his system while battling monsters, traitors, and the dark legacy behind his gift.

"HENSHIN!" Kael was just an ordinary guy—until the night he died. But instead of staying dead, he is thrown into a brutal death game where him and dozens of others are forced to battle deadly creatures—and each other—for survival. The rule is simple: Be the last Kamen Rider standing... by any means necessary.

Born in a world where only those with strong abilities ruled, Shian Smith was raised in this era to a poor family that was barely able to survive. His mother abandoned him and his terminally ill father to be with another man, just because she couldn't cope with the difficulties.  Shian, luckily, was then trained by his veteran hunter father before he passed away, and due to the threat of the Cythrauls, Shian trained with all his might.  After the death of his father, he made a pact to himself to rise to power, and become strong enough to protect those around him, to prevent himself from facing emotional trauma again.  Find out how he does this, as he awakens the Ancient Godkiller System, which aids him in his odyssey! 

Orphaned teenager Lucien is stuck at the early stage of 1-star the weakest possible shattering his dream of becoming an elite hunter. But when a rogue hunter corners him and his best friend, a hidden power awakens: The Phoenix System. Sealed within the pendant from his parents, it grants him strength beyond human limits and unveils a destiny greater than he ever imagined. At the Hunter Academy, as Lucien trains, completes quests, and battles through dangerous realms, whispers of an ancient calamity stir. The eternal war between the Phoenix and the Dragon threatens to consume the world, and in the shadows, a sealed entity of pure evil waits for its chance to break free. To protect everything he holds dear, Lucien must rise above his rank, master the four primordial energies of the universe, and decide the fate of gods and mortals alike.

The enhancement serum was meant to create superhumans—faster, smarter, stronger. Instead, it wiped out most of civilization and turned the rest into Hollowed: vicious, mutated monsters. Elias Mercer should’ve been dead. Instead, he became something new—immune, stronger than a Hollowed, and guided by a mysterious (possibly digital) voice in his head. He’s the first successful mutation—and now, everyone wants him. Hunted by Viratech, the shady corporation that created the virus, Black Sun, a ruthless cult with dark motives, and other mutated survivors who’ve lost their humanity, Elias is stuck in a crumbling world ruled by chaos. His body keeps changing, the System in his head grants strange abilities with dangerous side effects, and his forgotten past might hold the key to everything. To survive, Elias must uncover the truth behind the virus, his own identity, and whether saving the world means losing what’s left of himself. Monsters. Mutations. Mystery. And a war on the horizon.

A human transfers to the demon world and becomes the butler to the first demon king and then later on after the dawn of the first demon king, a demon girl places the contract with the human butler to take over the world. And the secret is she was also once a human in her past life but then she reincarnated into this demon world. In this world, the human has unlimited power to take over the world by himself but he is bound to the contract and can't able to do anything without a master and now after having a master how things would go for him and her...

Zach has always dreamed of becoming a superstar, but how could he, when there are so many people better than him? The only thing he was known for was being one of the poorest students. He wanted to stand at the top, to be admired, but every time he tried, life knocked him down. Even his only girlfriend left him for a rich freshman whose father had insane wealth. Frustrated by his seemingly useless life, everything changes when he suddenly receives The Superstar System. With this mysterious system, Zach begins his journey to the top—gaining fame, unlocking skills, and attracting attention from the world. But he soon realizes he’s not alone. Others may also have systems, and Zach will have to fight harder than ever to stay ahead. It Won't be easy.

Jacques Albert, the cool kid from high school had lived most of his life in solitude. He found company only when he is with a game pad tapping away his game characters to victory. Along the line, Jacq's friend Karl indirectly made him popular among the boys when he invited him over to the skate park to have fun. He ran into a sort of trouble with a skate gang and the only way to redeem himself is to beat Cyrax, the best gamer in the area in a 1v1... "... But do you know what else I can do? Jacq went on like he hadn't been interrupted. "... I CAN GAME." He gained a little popularity after then but suddenly, his life took a whole new turn. He was kidnapped by a secret corporation that deals with an advanced futuristic technology... The commander of the Corp was his classroom crush from high school, Cassie. He found out the reason for his kidnap later on, and in another wild turn of events, Cassie planned his escape when her father wanted to have them killed. Their adventitious run from the soldiers led him to the source of the advanced technology the Corp operates on. By accident, he suffered a deadly blast from the when he got close to the Blue Orb. He died... Then, rose back to life again mysteriously. But a strange system followed him back to his present life. With the system came serious responsibilities, as he has to use to use the system to solve his many mysteries and overcome his many obstacles. Will he be able to master this Strange System and survive the dangers that lurk in the shadows?

The main character drowned on Mars because someone pushed him toward an unknown river. He was a weak and powerless person without any real power inside him, and someone bestowed on him the power that would change his life forever on Mars and Earth. Back on Earth, he used to be the resistant, who fought the interdimensional beings, but he was weak. He was always bullied by others for some reason or another. He encountered Confidere on Mars, who told him about his original self. She treated him like he was the owner of the territory. He became the weakest dreamer on Mars, but he persisted in coming back to his original world, Earth. His sole objective was to go back to Earth, and he did lose a little bit of his memory regarding his life. The cause was unknown. Upon his return as Awakener, Earth was invaded by interdimensional beings from the outside world that we still don't know about, and for so long, their existence has been kept secret. Humanity lost the battle against interdimensional beings. The earth turned into great ruins. Their true purpose is still unknown. Their origin is unknown, as they forced humans to implant the bioprocessor inside our brains. This, in turn, made humans into superhuman beings with the help of the system inside the bioprocessor. As an anti-hero, you will become the strongest being to fight anyone against your will. Collect your 'Confidere' and 'Butterflies'. They will help you on your journey toward the power of living forever. Embark on your very own journey in the present world. Become the pinnacle of love and immortality. 'We bless the King of the Underworld!'