Name says it all I believe. Op Luffy, early haki Luffy, bigger crew, Luffyxharem. Rated m for deaths and lemon scenes.

Ace is a human who's lonely, and calls for the devil/demon, and Marco shows up to Ace's call. Ace asks Marco, the Prince of Hell to be his friend and sell his soul for that, Marco not thinking much of it. They start to be together as that's the deal and Ace grows on Marco. When an accident happens and Ace dies early, Marco realizes he likes Ace a lot and takes Ace to hell with him

What would happen If a normal person from your world was sent The World of One Piecs

The Straw Hat crew is finally reunited and back at sea after their adventures in the land of samurai. Yet the wounds of the past still linger and their hold on the cook of the Thousand Sunny has never been stronger. As some scars reopen, Sanji won't have any choice but to confront the one he has always wanted to get rid of. Himself.

Twelve years ago, Usopp's mother passed away from Yellow Fever. Now in the New World Usopp faces the same illness, but will he face the same consequences? 'Watching them in all those fights, one tends to forget that they are still kids. They get lost, they get scared and most of all one forgets that they still need guidance.' Strong themes of family and friendship. No pairings.

When shadows creep upwards to brush the light, twenty year old Monkey D. Luffy finds himself at odds with the very system that's kept his face in the mud his whole life. Because there's no way in hell he's going to sit back and watch Ace meet the guillotine.

Just a retired weeaboo's short story about Ace and an OC. The Straw Hats meet Ace's old crew member and share with her the tragic news of his execution. While staying at her harbor, they learn of Ace's disapproval of his former crewmate's dreams and what made him change his mind to keep the unlikely friendship.

Pirates, monsters the size of skyscrapers, marines that are more corrupted then politicians; yup, this is the One Piece world alright. At least things can't get any crazier. Wait, I'm a girl now? And you're a dragon! Self-Insert with a twist! M for mature themes. Possible Yuri action. Rewrite of [Dragon Swordswoman(MAN!)]

It has been three years since Ace left Dawn Island and began his life as a pirate and now that his captain and crew brothers wanted to take advantage of the fact that they were passing through the East Blue, it was time to go for a visit... Unfortunately, the appearance of a girl who looks just like him, holding Luffy's hand, tells Ace that what once was... AceLu-FemLuffy

Morgan D. Ford is the secret 4th brother to Luffy, however Luffy has turned his back on becoming king of the pirates and has instead wanted to join his Grandpa Garp in the Marines...Not happy with Luffy breaking his promise but set on following his own dream of being the World's strongest Martial Artist...will he be able to achieve it on his own...or is a crew in his future?

Just Another Love Story.

Everyone thinks that Whitebeard's sons are the Whitebeard pirates, but that isn't completely true. On the second half of the Grand Line is a secret treasure that the great pirate doesn't want anyone to know about. However, fate had other plans as the mother of his child sent him a message and told him it was time for him to meet their daughter, but nothing went the way they wanted.

Ace and Sabo have done everything together. They've stolen from the nobles of High Town, built up their own treasure hoard, and trounced the pirates and bandits of the Grey Terminal, but what's left to do? Why, build their own boat and have some "sailing practice!" Wait... who's that weird kid sleeping over on the deck? (Crossposted on Ao3)

Alors que Ace, second commandant de la flotte de Barbe Blanche, vit son aventure et découvre le monde, Luffy, sur l'île de Dawn, fait face, avec le village, à la violence du monde. Ace, face aux mots ternes des journaux, fera face aux conséquences de son choix : laisser son cadet derrière, livré à lui même... Ou comment Luffy devient un protégé de l'empereur !

Suite à un événement qui chamboule leur vie, Luffy et Ace se retrouvent et se rapprochent, pour le meilleur comme pour le pire. - modern!UA

In this au story Dadan save’s Sabo in time. After that Sabo decides to join Luffy on his journey to find one piece. Can they do it?. Let’s read to find out. Rated m for some deaths.

Magic belonged to either nature itself or the twelve witch clans. Rouge and Ace belonged to the Portgas Clan, who held their magic over the Elements. The World Government wanted the twelve alive, but Rouge had never been caught. And she refused to let them have her son, Ace, who would never stop fighting for his freedom. Dead or alive, Rouge would forever fight by Ace's side.

Perhaps the Old God of Light made an error in judgement, putting so many different races together. Eight heroes have been Chosen to defeat the Old God of Darkness. Ace, an elf belonging to the Hunter's Guild, is sent to deal with a vampire terrorising a simple village. Instead of staking a vampire, he is chosen along with said vampire to save the world. MarcoxAce LuffyxLaw more

In one world, Boa Hancock was enslaved, force-fed the Love Love Fruit, and eventually became a Warlord. In another, she willingly ate a different Devil Fruit to save her sisters, and eventually became an Emperor.

After chaos errupts and Akainu seeks out to destroy the newly crowned pirate king, certain supernatural beings have had enough. They have realized that Monkey D. Luffy and Trafalgar D. Water Law are the only ones who can stop the ultimate enemy, and they are the last hope for the world. Law and Lu are forced to restart their lives, and they figure out they're in love on their way.

Devlin is a happy-go-lucky pirate who grew up with Portgas D. Ace and Monkey D. Luffy. While Luffy dreams of becoming the Pirate King and Ace dreams of finding the One Piece for Whitebeard, Devlin dreams of one day joining the crew of her childhood crush Red-Haired Shanks who promised to let her join if she could beat him. Will she end up falling for Ace or chasing after Shanks?

Someone is sitting on the Heart Seat when the Straw Hats and Law head into Dressrosa. It changes nothing… until it does. [AU where there is a Third Corazón, whose very existence makes Law's life hell]

You want to hear about Laugh Tale? Well...it might take a while. Two generations worth, at that.

Throughout his entire life Law had seen some of craziness this world had to offer, especially during his career as a pirate. But by far having to deal with a girl bearing a deep hatred for Pirates and Marines alike as well as holding many secrets up her sleeves seemed to take the cake. It doesn't help that the girl doesn't seem to want to leave him alone anytime soon.

The Great Pirate Era, it is a time in the world where every man with a Ship sets sail and calls himself a Pirate, everyone man aims to find the greatest treasure on the sea. During this Era, one man with the heart of a lion aims to stand at the top of this age of Piracy. This is his journey. (OC MC)