One Piece Crossover

Brad Jackson was a normal university final year student whose girlfriend just broke up with him on their department costume day. Maybe due to the sadness, Brad entered the wrong room, wearing a strange hooded cloak found in his late father’s closet. He didn’t realize that he just entered an occult meeting, but thought that it was another department having their costume day. One thing led to another and he became the chosen one that’d unify the supernatural world… but what would happen if they discover that he’s a fake?

After his father gets brutally killed by a rival family, Scott got married into the family with only one goal in mind. Revenge.

They dragged his dying mother out of her hospital bed like she was garbage. Joshua Hart had endured three years of humiliation as the powerless live-in son-in-law of the wealthy Cavesh family. He swallowed every insult. Every sneer. Every reminder that he was “nothing.” All for one reason—his mother’s life depended on their money. Then, on the day she needed emergency surgery, they cut him off. “Admit your mistake. Apologize,” his wife said coldly. “Maybe then I’ll consider helping.” At the hospital, nurses laughed in his face. “Swipe your card, beggar.” “You can’t even afford oxygen in here.” They called security. They called him worthless. They didn’t know that twenty minutes earlier, a forgotten investment had turned him into the majority shareholder of Galaxy Tech. They didn’t know his account now held billions. They didn’t know the “pathetic son-in-law” had just wired one hundred million dollars to the very hospital trying to throw his mother into the street. When the director whispered, “Joshua Hart… the transfer came from you?” He simply picked up his black card and looked at them one by one. “You were right about one thing,” he said calmly. “I won’t beg.” Now the people who mocked him will learn a brutal truth: Never humiliate a man who has nothing left to lose—especially when he becomes everything.

Alaric Wright was the poor college student everyone considered as a loser. He was insulted, played with, and humiliated for being poor, bullied and was even betrayed by his girlfriend. However, when he thought his life was coming to an end he received a message from his father confessing who his real parents were - the wealthiest, monarchical and most successful family in the city, and he was the sole heir. It was the time for revenge. He would get back at those who taunted him one by one, and was coming for both them and their family to bring them down, through his affluence, power and dominance.

Lynn Wolf got cheated on with his boss by his girlfriend, and looked down upon by everyone else. One day he realizes a truth about his life, and in an attempt to have revenge he lost his family leaving only his foster sister as the only family he has. One day, he heard a voice in his head claiming he was the new ruler of a revenge system, leaving him with no choice than to take over his right. Lynn is determined to take revenge on those who had hurt him, little by little until they all have been taken down.

Michael Black is a kid who believes superheroes are nothing more than idiots. After his parents were killed in an attack, he loses hope in the concept of saving others. To him, power is meant for one's personal use only, and risking one's life for another, is nothing more than stupidity. Things however change for Michael when he watches his best friend die before him. His ideals change, and with his newly acquired powers, he swears to change the world, and become the greatest superhero alive.

Five hundred years ago..... The earth was destroyed and a new world was created. The survivers were taken to that world. The world were you can survive if you have a talent/potential. The talents were divided into groups. Born after many years passed, Aurora is born different. She is the daughter of one of the most hated group (the miscreants). Her life changes when she got entangled with one of the supreme lords ruling Sirenna. Will love bloom between them? Even though it was forbidden for a supreme lord to fall in love........

For others it takes dying and reincarnating for them to get a system but what happens when you get one without dying. Aron Michael is an average student set to graduate within a week, but he was expelled for a random reason. Due to that he had a heavy student dept and no diploma to help him earn the money to pay it back. But one day he got a system that called itself the [Advanced Tech System]. follow the story to watch him develop from your average joe to him being the owner of the largest company in the world.

Daniel Reed has always been the outsider, a poor man married into one of the city’s richest families, constantly looked down on by his in-laws. But one night, a call from the hospital changes everything. A stranger approaches him with shocking news: Daniel is not who he thinks he is. He is Daniel Alistair, the long-lost heir to the powerful Alistair empire. Overnight, the man they mocked becomes the man who owns everything. And this time, Daniel isn’t walking away quietly. Now everyone must pay.

In his previous life, Alex was a hero who sacrificed a lot to save those in need of help, but his life soon turned around when his fiancé was killed for refusing to marry one of the supreme magus, due to her ravenous beauty. On his attempt to claim revenge on them, all four magus had came at him at once, defeating him till he ended up dead. However, he was reborn into the body of an eighteen year old orphan in one of the four factions. With this new life given to him, he would become the strongest there ever was, and have his revenge on all four magus!