Luffy and Co. meet a bartender by the name of Ava Spade. Joining the crew only on the condition that Luffy know nothing of her past, Spade is an enigmatic figure whose mask only crumbles when she meets Ace, whom she's been avoiding. AceXOC

[Discontinued] The Marines are losing a war that will change the world. As a last resort, they turn to the brilliant Vegapunk to solve their problems. So, obviously, he decides to summon the strongest man in the world ... from an alternate universe, that is. They did NOT expect Monkey D. Luffy to fall through the wormhole. [Pirate King Luffy meets Marine Luffy.]

What happens when Luffy runs into a certain pigeon guy from Water 7 while he is alone in Amazon Lily's forest after successfully saving Ace? And what happened to his body? Ace/Lu in later chapters. don't like, don't read. rating may go up in future chapters.

Ace agreed to make a special delivery for her, but he really had no idea just how special it was. Mouda hears of Ace's imprisonment and soon to be execution and she's determined to not let it end without him knowing.

Sabaody: 1800s. Dr. Trafalgar receives an invitation to 'cleanse' the demonic grandchild of Lord Eustass while Lord Portgas arrives at the Gol estate to find only a single servant, Marco, whom he makes his personal valet. Primitive and occasionally predatory desires take hold, ensuring that no one is left alone. Supernatural, Victorian Au. Mainly Kidd/Law, with a side of Ace/Marco.

What if Luffy was instead ten years younger than Ace himself? But as anyone would know,a life with Luffy is much more crazier and troublesome than it should be. It's just that the 'soon to be pirate king' is much more cuter.

or 'Adventures in the Worst Afterlife EVER', because Ace sure didn't sign up for this s***. What happened to eternal peace? Or more importantly, his hat? (In which Ace is a time-traveling ghost, his younger self is unimpressed, Sabo is alive and Luffy is stupid.)

Because Ace just could not be dead, not on Brook's watch. The skeleton will do anything to save his captain that pain. Now, can the Straw-hats survive the after-effects and keep Death off their backs?

Ace, Sabo and Luffy wake up in a cave. A mystery cave! A prison of a cave. A slave trader cave. Three boys versus the cold, the damp, the dark and the depraved. Now, to escape.

Smoker is not happy about the highly confidential orders to bring a captured Whitebeard Second Division Commander to Impel Down. Shady deals are openly hidden and his darn sense of justice tingles uncomfortably... Smoker/Ace.

Portgas D. Ace, reluctant Level Six guard. Marco the Phoenix, reluctant Level Six prisoner. Putting them together is the most monumental screw up in Impel Down history. Marco/Ace AU

Beautiful big, innocent eyes; smooth, silky black hair; gorgeous bright smile… The problem? He just described his little brother. And the shadows of the past and those horny guys at school weren't making things easier for Ace. Summary might change.

Small, light-hearted short stories about the D-Brothers and their adventures and pranks as kids. Ch. 3, Christmas Special! ft. Sabo

Portgas D. Ace - Marine extraordinaire. Or so he hopes. AU, warnings inside. [HEARTLESSLY ABANDONED]

Peter Petrelli finds himself alone, injured, and hunted, and survival suddenly takes priority over saving others. Peter's POV. Rated T for language. Breaches the gap between Peter's flight in "Exposed" and his reappearance in "Cold Snap".