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

His business in the Elemental Nations concluded, Natsu and his allies now find themselves embroiled in the second half of the Realis Grail War set amidst a world of Pirates, Marines and Servants. Threats from past and future alike collide as a plot eight hundred years in the making threatens to put all of existence itself at the mercy of the Antiverse.

Her story had to be one of a kind, one that not even the craziest person in existence would ever believe nor tell, it was surreal even for those who still believed in legends and fairytales… and even more for herself. How? Someone would ask. She was dead, or rather she should have been. So then… why was she in a laboratory of some sorts?

What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!

The blue wheel of fate. The silky, shiny blue hair that ran through the waves of the raging sea. No wonder the heir to the Uzumaki Family had deep connections with the desert. Concentric circles displayed the ferocity of a king, hidden by the sapphire case back. Never try to put a void in the past that cannot be forgotten. Protect the Poneglyph. Raise the flag of dawn to the world.

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.

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.feel free to review with thoughts, or ideas or even thoughts on who I should use in this story even. Also have a good day.

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.

#Suite de Ah si tu savais# Le monde a totalement changé, 800 ans se sont écoulés. Harry s'est réveillé mais va-t-il trouvé sa place dans ce nouveau monde ? Ace et Marco vont tout faire pour qu'il reste lui-même et avec eux. (Genre secondaire encore à définir)

Moved everything to Lost in the Grand Line, this won't receive updates.

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

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

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.

Becoming a pirate captain in a fantastical world was never in Ranma's life plans. But when magic strands him in the Grand Blue, he has no choice. With an impish wizard as a guide, Ryoga as his navigator, and a crew made of unwanted fiancees (plus Nabiki), Ranma sets out to find the One Piece and return to Nerima!

A Crossover Story between Zaru and Juubi-k. As Yamato, Son of Kaido, heals from her wounds from a battle against her tyrannical father, a chance meeting with a injured boy in green opens her world. And that world, will change. The boy's name? Midoriya Izuku. For Questions, refer to FAQ in story(after Chapter 15)

have you ever wondered what if there was another prophecy about two twin Starts exorcists? while we all seen the tails of bino and rokuro but what if there was actually another one, One that represents the Actual Yin & Yang? well that's what I'm bringing to you. what if Yuruko ijika(fem,Yuto ijika) and Monkey D Luffy was the other prophecy twin Star exorcist?

AU Multi-Cross. Durring the USJ Incident, five students run afoul of a villain's quirk. Forced to remember their most recent past lives they must pull themselves together to become heroes. With new skills and memories can they become the heroes they're meant to be? Or will their newly acquired baggage drag them down? Please R&R!

The Void Century, a time where all information has all been devoured by the waves of time. With time, stories can become Legends and Legends become Myths. Yet what happens if a Myth claws it's way out from the waves of time and bares it's fangs at the Present?

During the Fall of Beacon, Jaune sacrifices his life on Beacon Tower and through a twist of Fate he ends up in Wano, serving Kozuki Oden after he saves his life. After Oden's death, Jaune is sent twenty years into the future and through another twist of Fate ends up back on Remnant. Now Jaune journeys through his old world with the intention of going back to Wano to avenge Oden!

Dying had never been more disorienting than ever, but Sakura counted herself lucky when she managed to find a family were she fitted just right.

Naruto, Will and a mink Kurama meet the Straw Hats on Drum Island, and decide to join up with them. Naruto/harem KuramaxWanda

There was a time when our country was called by that name. Those dream-filled blue skies are now filled with smog from weapon factories. The towns where the samurai once proudly walked are now filled with swaggering, arrogant pirates. We were stripped of our swords, our status, our honor and everything else. However, the samurai spirit is still alive here. This is our final battle.

Traveling dimensions wasn't unheard of for Sakura. But Kaguya had been defeated and sealed four years ago, during the forth great ninja war. So why the fuck, was she tied to a mast - on a god forsaken ship, surrounded by PIRATES!

"Live as long as possible, if you lose your life again, there will be no possible resurrection." This is the ordeal that Being X imposed on Tanya during her second life. And that's exactly what she will do without asking for help from the individual she considers an impostor, despite all his schemes.

Ace, Sabo and Luffy are reincarnated after their deaths in a Magical World of Wizards and Witches.