Best AceSan Alternate Universe (AU) Fanfics
The best alternate universe (au) AceSan (Portgas D. Ace/Sanji) fanfiction on AO3, curated by popularity. Infinite creative possibilities - seeing beloved characters in entirely new contexts.
Top AceSan Alternate Universe (AU) Fic Recs
3 alternate universe (au) AceSan fics matched, followed by other top-rated AceSan stories.
Vow
Alternate Universe (AU)by kiite
Ace steals. Sanji is stolen.
Grey is the color of my skin
Alternate Universe (AU)by likethelastwoman
Zoro has never cared about soulmates, so when Koshiro tells him his soulmate is dead, he doesn't feel sad. He thinks it's great, actually—he doesn't have to worry about love or feelings or shit like that. He doesn't need love in his life.That is, until he meets the cook.ORJudge's experimentation "ki
Learning Curves (and how it all leads me to you)
Alternate Universe (AU)by TheWanderers
Sanji learns a lot of things as he grows up over the years, but it isn’t until he reaches high school and meets Monkey D. Luffy along with his ragtag band of friends that he truly learns to be happy.
Bedroom Eyes & Butterflies
by Trixree
As the Strawhat crew comes to find, their newest member, Sanji, flirts with anyone that breathes and walks on two legs... with the notable exception of Zoro, which the rest of the crew finds hilarious. The impossible thing, though; his flirting actually works. In which Sanji has game and really slut
The Tribulations of Temptation
by SweetyGreeny
It was one quiet night, when Zoro was on watch, that he came across Sanji in the ship's storage room. Except it wasn't only Sanji, there was someone else as well, and Zoro really wished he hadn't looked.
The Grand Line's Broken Hearts Club
by donutsandcoffee
Sanji is popular.Not exactly in the way he wants, but maybe exactly in the way he needs.(Or, the "every male in One Piece is in love with Sanji" fic).
With Him?
by qnon
Despite some of Usopp's more out-there crack theories, Zoro and Sanji are not, in fact, secretly in love. They really do just happen not to get along- which leads to what may appear as the bickering of an old couple and the close contact of two men trying to rip each other's heads off.That is, until
Never Knew I Needed You
by EclecticIsMyMiddleName
Ace and Sanji didn't actually meet for the first time in Alabasta. They first met on Baratie, and haven't stopped running into each other since.
Possessive
by CloudKitsune
Sanji reflects on how possessively stupid Zoro can be. ZoSan
Cooks Can Handle Any Heat
by anarchycox
Sanji took one look at Ace and finally understood the phrase 'save a horse, ride a cowboy.'The guy lit Sanji's cigarette with his finger, what else was he supposed to do but have sex with him?
One swirl to rule them all
by TigerxFox
The many many ways the grandline men, women and nb folk are in love with Sanji.
Year of One Piece Men 2024
by DurgeTav
Challenging myself to post a one shot of the One Piece men once a week for a year! Please comment any request on the first chapter! I prefer to do x F!reader stories but am open to character pairings too!Request closed Oct 5th 2024
Ero-Kappa
by jijiwatcher77
Zoro is tired of everyone trying to get at his man, and needs to vent.
The butterfly he refuses to hold
by yetimati
Sanji is flirtatious, that is a fact.Sanji flirts with everyone except Zoro, that is also a fact.Sanji is a mess and has a horrible attachment issue, that is, undoubtedly, a fact.A tale of two idiots falling for each other, in Sanji's POV.
In the Middle
by Enziroth
Roronoa Zoro is the New World's fiercest bounty hunter, a bloodthirsty demon who leads a crew of equally bloodthirsty monsters. And for two years, he's chased the same prey, hunting one pirate across the whole of the seas.The thing about Blackleg Sanji, though, is that he hunts right back.
Kinktober 2022
by TheOriginalWaifu
Hey everyone! Welcome to the third annual The Original Waifu Kinktober. :) I hope you enjoy it and I look forward to reading all of your comments. <3ShinKami: Semi Public SexShindoIzu: Loss of Virginity/First TimeTodoIida: CNCTokoyamiKoda: Shower SexAll Might: Solo Muscle WorshipZoSan: Chastity Cage
you and me and somehow
by jadolis
“Promise me something. Wait for me.” Ace says, and he lights Sanji’s cigarette with his index finger. The cigarette burns red hot, a newfound warmth crawling up the side of Sanji’s neck. “After this is over, I’m gonna come find you.”Sanji can’t trust himself if he leans in now. Instead, he nods. “Dr
Year of One Piece Men 2025/26
by DurgeTav
Challenging myself to post a one shot of the One Piece men once a week for a year! Each month will have a different theme!
Eight Minutes to Earth
by HotCocoaaa
He first meets Nico Robin when he’s nine years old. Give or take a decade, a couple murders, a handful of heists, and suddenly he’s nineteen being ratted out by her on some tiny ship surrounded by the world’s worst pirates. In their defense, maybe they suck at kidnapping princesses or pillaging nati
Give me a Call
by TimeWill_OnlyTell
Honestly, had Sabo not been called away to handle a mission gone wrong he would have been able to call Ace sooner. If Ace hadn't gone running off without his Den Den this wouldn't have been a problem. Still, it's a good thing Ace ran into Luffy sooner rather than later.Or: the ASL brothers have regu
Find More AceSan Alternate Universe (AU) Stories on AO3
Browse the full AO3 archive for alternate universe (au) AceSan fanfiction, sorted by kudos. Then read offline with Fanfict Reader.
Why Alternate Universe (AU) AceSan Fanfiction Works So Well
Portgas D. Ace/Sanji — The pairing between Fire Fist Ace and the Straw Hat cook Sanji, often exploring their connection through Luffy and their shared protective instincts.
Alternate Universe (AU) — Stories set in a different universe or setting than canon, from coffee shops to space operas.
The combination of Ace's charm and Sanji's passion, along with their mutual love for Luffy, creates intense chemistry and emotional storytelling possibilities. Infinite creative possibilities - seeing beloved characters in entirely new contexts. That's why alternate universe (au) AceSan fanfiction is one of the most consistently popular combinations on AO3.
More AceSan Tropes
AceSan · Enemies to Lovers
Characters who start as adversaries and gradually develop romantic feelings for each other.
Read enemies-to-lovers →
AceSan · Angst
Stories focused on emotional pain, drama, and intense feelings.
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AceSan · Fluff
Light, happy, feel-good stories focused on sweet moments and happiness.
Read fluff →
AceSan · Pining
Unrequited or unspoken longing for someone, often with lots of internal anguish.
Read pining →
AceSan · Protective
One character goes to great lengths to protect another from physical, emotional, or other harm. Protection can be obvious or secretive.
Read protective →
Alternate Universe (AU) in Other Ships
Love alternate universe (au)? Explore the same trope in other popular pairings:
Johnlock
Sherlock Holmes/John Watson
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Taekook
Kim Taehyung/Jeon Jungkook
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Reylo
Rey/Kylo Ren | Ben Solo
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SasuNaru
Sasuke Uchiha/Naruto Uzumaki
Alternate Universe (AU) →
Obikin
Obi-Wan Kenobi/Anakin Skywalker
Alternate Universe (AU) →
ZhongChi
Tartaglia | Childe/Zhongli
Alternate Universe (AU) →
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