Blueprints of the Heart
A one piece modern au romance where world-famous archaeologist Nico Robin is hired by billionaire shipwright Franky to restore his late father's dream ship, never knowing they share a childhood he refuses to forget.
You may also like

Ask Me Nicely
elsietopia
When the richest, most-feared heir on campus decides you're his new favorite thing, 'no' stops being a word in his vocabulary.

My Favorite Secret: JJK College AU
𝓴𝓲𝓻𝓫𝔂 (。•ᴗ•。)
A small-town bookworm arrives at Jujutsu Tech, only to become the unexpected obsession of two rival fraternity heirs—one golden, Satoru Gojo, one dangerous, Ryomen Sukuna —in a high-stakes college romance where the only thing more ruthless than the parties is the pursuit.

The Tyrant's Daughter
namilover69
In this One Piece royalist enemies-to-lovers slow burn, the fallen princess of a tyrant kingdom is given in marriage to the sea king who destroyed her father's throne.

Straw Hats & Bad Habits | One Piece College AU
Blu.
One house party is all it takes to get tangled up in Monkey D. Luffy's notoriously chaotic college friend group. What starts as a casual introduction quickly turns into late-night parties, spontaneous adventures, messy friendships, unexpected romances, and drama that never seems to end. Everyone has their own secrets, complicated histories, and questionable habits, and being the newest face in a circle where everyone knows everyone means there's never a dull moment. Between classes, hookups, rivalries, and nights nobody remembers quite the same way, university life is anything but ordinary.

Grand Line Uni One Piece College AU
Jules
You are the new transfer student at Grand Line State University. Find romance, create friendships and try not to be a pawn between the president's of the two biggest fraternities.

Grand Line University - One piece college au
Blu.
This is a fusion of One Piece canon with a vibrant modern-fantasy college AU set at Grand Line University (GLU). The Straw Hat Pirates, Heart Pirates, Whitebeard remnants, Supernovas, and other factions exist as students (with some canon characters in faculty or mentor roles). Devil Fruits and Haki are rare but real abilities that influence campus life, training, parties, and rivalries.

Unwanted marriage
Just simple
An unwanted marriage to a cold, powerful billionaire slowly ignites into a love neither of them saw coming.

The Lord of Water 7
namilover69
A One Piece royalty romance: to escape a forced marriage to the evil king's son, Lord Spandam's hated daughter Nico Robin flees to Water 7 to finally meet the pen pal she's never seen — and marries the city's feared tyrant lord, Franky, the very same day.

Obsessive Fiance : Aditya
The Wattpad Bees
You come from a very rich but strict family in a small town. You go to a big city to study. There you met you best friend Zeyansh. He helps you a lot during that time and you both become even closer. He is always there for you, caring and supportive. Later, your parents fix your marriage with a guy named Aditya. At first Aditya seems very sweet, but slowly his nature changes completely. He becomes highly obsessed with you. He becomes toxic, controlling, and doesn't want you to talk to anyone, especially Zeyansh. One day when Zeyansh was sick and alone, you went to check on him, but Aditya found out, dragged you home angrily, pinned you against the wall and started shouting, asking what you were doing with him.

Two Years Gone
Kuki
After Zuko's betrayal, you walked away without a sound. Now the Gaang is split down the middle — half trying to reunite you and Zuko, half fighting to keep you two apart.