Lost in a storm, Koby a captain in the Marines ends up in a new world, one that will give him an adventure he never saw coming. Just a fun maybe silly story.

It was 25 years ago. As Gold Roger sailed the seas as the King of the Pirates, green light appeared all over the world, and they continued to appear to this day. And as they did, they would drop off people from other worlds. One day, a certain green hero appears. He meets new friends, goes on adventures, and decides that he doesn't like a certain government and how it runs things.

In a world where heroes with extraordinary powers protect society, a young man named Ace, with the mysterious ability to control fire, finds himself thrust into the ranks of heroes-in-training at UA Academy. Struggling with amnesia about his past life, Ace forms friendships with fellow students, including Itsuka, Mirio, and Nejire, as they navigate training, classes, and life.

New York City is an island set in the world of One Piece. The Straw Hat pirates have found their way through its amazing defense system and are now in pursuit for a stock up, but when the Blackbeard Pirates are hired by the Shredder to make their appearance on the island, The Straw Hats team up with the Teenage Mutant Ninja Turtles, and work together to chase them off the island.

Jaune tiene un año de entrenar para el examen de Beacon por lo que decide entrenar en el bosque siendo perseguido por una jauría de grimms, para luego ser salvado por un sujeto llamado Garp, a lo que se lo traerá consigo en su viaje y la ofrece ayudar entrenar como en su en despertar su Haki, un año ha pasado y Juane asiste a Beacon mas preparado pero aun con el aura no abierta.

At the age of Four Naruto ate the Kage-Kage no mi, and has been working on a plan to give himself what he's always wanted, a family, unfortunately his plan is ruined by Orochimaru trying to Kill Sarutobi, thus he must intervene and even if it's ahead of schedule reveal whom he really is, Devil Fruit Naruto,

Hachiman Hikigaya, a recently promoted soldier within the Marine ranks, suffers the misfortune of being chosen as one of the combatants at Marineford. However, as they say, miracles can happen in the midst of a storm, and Hachiman manages to attain a power that changes his life forever.

Quand le Gouvernement Mondial découvre les Nations Elémentaires, il force ses derniers à se soumettre après une démonstration de puissance et leur ordonne de remettre tous les Jinchûriki pour les envoyer à Impel Down. Ce qu'ils ne savent pas encore, c'est qu'ils viennent de provoquer la naissance du plus terrible et le plus puissant des pirates. Son nom est Naruto Uzumaki Namikaze.

All Might decides to take advantage of the arrival of an unknown pirate crew from the past to make a voyage to the ruins of the Red Line. Simultaneously, the heroes engaged learnt of his plans and decided to bring him back against his will, leaving themselves at the mercy of the wild sea, forcing them to cooperate with the pirates and discovering along the way... A lost world.

In a world unfamiliar to him, Koby, a former marine captain from another realm, finds himself in the midst of the ninja village of Konoha. Tasked with adapting to this new reality, he becomes an unassuming hero to the people, earning respect through his honesty and dedication.

Luffy & Co. Finally got Sanji back from the clutches of Big Mom and rushed forward to Wano to meet up with the rest of the crew. During the trip they get a well-deserved break from everything, Luffy suddenly disappears without a trace and the crew panics about his disappearance. Meanwhile, Luffy is transported to a world where Demons and Demon Slayers exist. (sucky title)

This is the story of Ace who is given as new chance at life starting as a ten year old in the Naruto Universe. A repost, I hope you like and review if you like or have some feedback, they really help writers. (a repost)

Kidnapped by a traitor out of a village that already hated his presence, Naruto wonders the world's vast ocean where he'll meet all kinds of people and learns the hardships of life, bringing chaos in his wake to find a way home. With war on the horizon, Naruto must choose how history defines him. (Added timeline stamps from Library of Ohara) Chapter 32 is revised.

Black Zetsu refused that his work all these centuries was for nothing and decided to destroy the shinobi world he influenced, and in doing so Naruto found himself in a Land eerily familiar to his home. Finding this Land is troubled and wanting a place to belong. Naruto decides to use the ruins of his past to help this country. His future is unknown in this pirates infested world.

Harry Potter, now Monkey D. Harry, sets sail with his twin brother Luffy who seeks to become King of the Pirates. As they sail, other incarnates from Harry's old world pop up as someone tries to seek them out.

To keep this simple this is simply a Tenshinhan harem adventure in One Piece.

The adventures of the Dallon's favorite Uncle.

Una serie de eventos ocasiona que All Might decida aprovechar la llegada de unos piratas del pasado para realizar un viaje hacia las ruinas de la Gran Linea.El joven grupo de héroes involucrados se entera de sus planes decidiendo traerlo contra su voluntad quedando a merced del tempestuoso mar, obligándose a cooperar con los piratas, descubriendo así en el camino...Un mundo perdido

The last thing Midoriya remembered was being overwhelmed by a crowd of civilians that were being controlled by the third assassin sent by All for One. But suddenly, he found himself in the middle of a bloody battlefield, surrounded on all sides. Whitebeard had no idea who this new arrival was, but he wasn't going to complain as the stranger defended his son from Akainu.

A self-insert lands in the MHA world, only to think she's in the One Piece one. She proceeds to bring the latter's insanity to the former by copious amounts of Devil Fruit jailbreaking. Watch as the Copy Woman turns logic upside down and makes you question everything you knew, or her name isn't D (it isn't, she just calls herself one). Semi-Regular weekly updates on Sundays

Held high as the God of Shinobi in the world of Ninjas and Samurais, Hashirama Senju's powers now traverse space & time to reach the world of Pirates and Marines. A young man from Earth, reincarnated into this world, now had this power that can reshape the entire world. With such powers, he reckoned he had a goal to fulfill. SI, Harem, R-18

From Worlds Apart to United Paths: Follow the extraordinary journey of Sanji Vinsmoke, a young boy with a mysterious past, rescued by legendary shinobi Jiraiya. As their lives intersect, a unique bond forms, merging the expertise of two vastly different worlds. Hope you enjoy feel free to leave a review

In a world where the lawless expanse of the sea blurs the line between hero and villain, Izuku Midoriya sails under the flag of the Greenbolt Pirates. Though he's branded a criminal by the World Government, his soul burns with the same resolve that led him to become a hero in another life. Join him and his crew as they navigate the high seas in high-stakes adventures of grandeur.

Desert Destiny:The Tale of Yamcha in Alabasta" follows the incredible journey of a young boy, Yamcha, who loses his family and finds himself in a world he could never have imagined. In the mysterious Alabasta Kingdom, Yamcha's natural warrior talents and newfound friendships with Princess Vivi

All it takes is one person to turn the world upside down. Let's watch as the most insane person decides to take U.A on the ride of their lives. (cover by Bundle of Sticks)