When the Whitebeards finds something has ransacked their food supply, they didn't expect to find some strange, unknown creature, intelligent and able to speak and think. He becomes a beloved little brother who lights up the crew when they go through hard times. The good and the bad, their little brother is precious. No permission to use any of this work in your own story.

When Marco is kissed by some random guy on an island, he didn't expect it to be the beginning of some curse of an infuriating kid, doing his best to drive Marco insane. Is he, or does Ace actually exist? And how would Marco beat his game and finally be free again?

When Thatch went to watch a children's play about flowers and bees, he didn't expect for one of the four year olds to suddenly shout out that he was going to die while still on stage.

After Ace is reverted back to how he was a couple months before his execution at Marineford, he knows what will happen and exactly how to fix it. He just didn't count on his father and brother not believing him, and successfully destroying everything they once had and could have had. There's only so much pain you can put someone in before they snap.

When Ace is framed for attempting to murder Thatch, he isn't treated nicely. As in, tortured into a coma nicely. But Thatch is there when he wakes up, and won't let anybody hurt his little brother ever again.

When a dragon stalls the execution of Firefist Ace by coming to nap in the bay of Marineford, what will happen when things don't go to plan?

When Marco is set to be executed at Marineford, bringing the Whitebeards to go to war for him, nobody expected the prisoner to be saved by his own unknown and unfamiliar soulmate. One shot.

If Ace misses his pills, he is no longer human. But through the horrible process, his family would always be there for him, even as his body decomposed while he was alive, in agony every step. Gore, you've been warned.

Ace, Sabo and Luffy were captured by Bluejam instead of them giving Sabo to the nobels. They set fire on the Grey terminal and escaped. The three brothers were thrown at a cell and thankfully they didn't cuff Luffy with kairoseki. Unfortunately before they could do anything they were suddenly dragged out of the cell and was brought to another ship. Not any kind of ship but a slavery ship. There they fought and endured tasks and punishments, or so what the bastards called, for their life and especially since Luffy was handcuffed in a seastone now. As they thought that anything could get any more worse, Ace and Sabo angered the 'Master' and in revenge they took Luffy away. Both of them we're terrified and blamed themselves but kept going because their baby brother still needed them. Luffy was crying, he was scared and lonely. After the bad men took him away from his brothers, they threw him in a dark room. He can't see anything clearly but thankfully there was light slipping through the little crack of the wall. He didn't know how long he cried, he only thought of Ace and Sabo. He was hating the dark but he suddenly heard a voice. "Are you okay?" There will be an OC here, read the description and tags carefully

Oookay! First One Piece story, no surprise that it's rated mature and will contain mature themes and parts. ~~ (Y/N) (L/N) is a thief in Grandline City. A damn fine one with a debt on her head. Come the time she's stolen a golden fruit statue from the local museum, just to sell it to Kid and his gang for her freedom of sorts, shit hits the fan. Just as Portgas D Ace, undercover cop and second commander of the Whitebeard Gang strolls into her life.