I'm sorry but this isn't a story. But it could be if any one of you want to make it one.
Timeline
Meeting the captain'sson- ace meets shanks instead of luffy. Shanks finds out the ace is roger's son and tells him what kind of man roger was. Ace then states his dream is to be even bigger than his father and shanks gives him his hat.
ASL Adventure- basically the childhood of ace sabo and luffy. They make a plan to conquer the grandline. Before leaving Ace and Luffy agree to meet at loguetown after luffy sets off for his adventure.
First Mate- A 17 year old Ace sets of on his adventure when he meets a 16 year old swordsman who carries three swords and asks him to join his crew
My dream- Ace and Zoro talk about their dream with zoro telling ace he will kill him if he feels like ace tries to rob him of his dream
Grandline- Ace and Zoro run into black Cage hina. Ace and Zoro barley escape
Weird looking fruit- Ace and Zoro find a weird looking fruit that looks like it has flames Ace then eats the fruit giving him fire powers
Warlord- while at sabaody archipelago ace is offered the warlord title and refuses.
Fishman Island- when at fishman island ace burns down whitebeard's flag sending a message to the yonko. Ace gets a bounty of 120 million berries now known as Firefist Ace while Zoro get a bounty of 60 million berries now known as demon wind Zoro
Reunion- Ace and Shanks meet again with the red hair pirates meeting the spade pirates. Zoro tries to pick a fight with Benn beckmen but shanks puts a stop to it.
Wano- The spade pirates land in wano with Ace befriending tama. Ace and Zoro destroy kaido's castle. Zoro faces Yamato after they all share cups of sake with Ace telling them about his little brother who will be king of the pirates.
Jinbe- Jinbe and Ace fight for 5 days ending in a draw.
The World's Strongest- Whitebeard arrives after the fight and faces the spade pirates alone. Ace tells the crew to run to safety. Zoro stays with Ace and fights whitebeard. In a last ditch effort Ace uses fire fist and Zoro uses demon aura nine sword style: Asura. For a split second Whitebeard sees Roger and Oden instead of Ace and Zoro. Whitebeard uses conqueror's coating to block the attack. The duo fall unconscious from using their max power.
Joining Whitebeard- After countless tries Ace and Zoro would try to best Whitebeard falling short eventually joining Whitebeard. Ace would later tell Whitebeard that he was the pirate king's son
Zoro vs Mihawk- after 3 years zoro and ace would head to the east blue running into a warlord. Zoro would challenge him. The battle would be longer as zoro has learned haki from Whitebeard but would still fall short and have a scar across his chest. He would later tell ace that he would never lose again.
Meeting a Cook- Luffy would meet sanji first this time around an would defeat don kriegg.
Koby- Luffy and sanji would meet koby and rescue rey(oc). They would also defeat axe hand morgan.
Red Nose- Luffy would meet nami and ask her to be her navigator. She would join temporarily. They would end up fighting the buggy pirates.
Blackcat pirates- they group land in syrup village meeting a guy with a long nose. Luffy would ask him if he knew yassop and ask him to join the crew. They would later find out about kaya and ussop bond. They find out khaldore is actually a former pirate and defeat him before he can invade the village. Ace and Zoro would get a call from Marco and find out the that Teech killed Thatch. Zoro would have to make Ace stay by reminding him of his promise to luffy. Nami would return to her village.
Fishmen Pirates- The now known straw hats arrive in cocyasi village. They would learn about Nami's past. Rey would also tell nojiko his past with arlong and being part of the sun pirates were they freed slaves. He would then face arlong and free cocoyashi village.
Brothers reunited- arriving in loguetown Ace and zoro would meet the strawhats. Luffy and Ace would fight with Ace coming out on top after showing luffy haki. Zoro would get his two swords. Buggy would return to take revenge teaming up with alvida. Smoker and tashigi will also intervene. Buggy and his crew would fight the strawhats while zoro and Ace face the marines.
Reverse Mountain- Ace and Zoro would join the strawhats for now. They would all say their goals. Ace wanting to be bigger than his father, Zoro to be the greatest swordsman, Luffy to be the pirate king, Rey be a warrior of legend, Sanji to find the all blue, Nami to draw a world map, and Ussop to become a great warrior of the seas.
Princess- The crew would land on the first island. They would meet vivi. Zoro would defeat 100 soldiers.Luffy would fight Zoro with Zoro defeating him. Ace would then fight Zoro. Rey would face off against the mr 5 pair. Vivi would join the group to go and free arabasta. Ms Allsunday would give them a timepose but luffy would refuse.
Little Garden- Arriving in little garden the crew would meet two giants from elbaf. They would later run into the mr 5 pair and mr 3 pair. They would defeat them and find a pose to arabasta.
Drum Kingdom- Luffy would get sick causing the crew to stop at the next island. Ace would then take luffy to the the doctor that resides in the castle. Luffy would ask chopper to join the crew. Zoro would find out that Blackbeard was here before them. He would tell Ace and both of them would go in search for Blackbeard. Ace gives luffy his strawhat as a promise to meet again.
Arabasta- the crew would finally arrive. They would then take on baroque works. Luffy would be defeated by crocodile and saved by ms all Sunday. The strawhats would then split into three groups. Sanji Ussop and Chopper would go fight baroque works facing their canon foes. Luffy would go find crocodile. Rey Nami and Vivi would go stop the revolutionary army and run into the mr 1 pair. Luffy would get a 100 million berrie bounty now known as strawhat luffy. Rey would get a 70 million berrie bounty now known as Scarface Rey. Robin would join the crew
Jaya- the crew would land in Jaya where they meet Bellamy. Luffy and Rey would get beat with neither fighting back. They would later run into Blackbeard.
Skypiea- The crew would then go to the sky islands. They would befriend angels and learn about eneru. A war would begin between eneru and his group, the shandians, and the strawhat pirates. Rey would learn mantra and kill Eneru.
G-8- The strawhats would land in a marine base after defeating eneru. They would reunite with Ace and Zoro who have got lost there thanks to Zoro.
Akoji- The group would run into a marine admiral. Ace and Zoro would fight him leaving heavily damage.
Water 7- the strawhats would change gold for money. Robin would ally with cp-9. Luffy and Ussop fight causing Ussop to leave the crew. Luffy Ussop and Franky would be taken to Enies lobby.
Enies Lobby- The remaining strawhats would had to Enies lobby along side Ace and Zoro. Ace would use Conquer's haki as he races towards his brother. We're introduced to the buster call and find out about ohara and Robin's past. Robin states she deserves to die and she's and enemy to the world. Ace then tells her to shut her mouth. That his little brother luffy has given his life to save her. He also tells her if anyone deserves to die it's him. He then yells out that his real name is Gol D. Ace. Ussop burns the marine flag. Ace faces rob lucci beating him. Zoro uses conqueror's coating and defeats kaku. Luffy defeats Jabra. Ace gets a bounty of 550 million berries, Zoro gets a bounty of 320 million berries, Rey gets a bounty of 120 million berries, Luffy gets a bounty of 200 million berries, Ussop get a bounty of 100 million berries, Sanji gets a bounty of 77 million berries, Nami gets a bounty of 60 million berries, Robin gets a bounty of 80 million berries, Franky gets a bounty of 70 million berries, with chopper getting a bounty of 50
After Enies Lobby- Zoro loses his sword again. Ace leaves as he's found Blackbeard's location and asks Zoro to stay with luffy.
Thriller Park- the crew meets a skeleton named brook luffy asks him to join the crew. Zoro finds a new sword after beating ryuma. Nightmare Luffy faces oars. Rey and Zoro defeat oars.
Ace vs Blackbeard- Ace finds Blackbeard and they fight with Blackbeard turning in ace.
Sabaody Archipelago- we find out Rey luffy and Ussop are part of the 12 supernovas with them being the only crew with 3. Rey meets Bonney as she "saves" him. Luffy punches a celestial dragon. Kuma separates the strawhats. Kuzan captures Zoro by telling him Ace has been captured.
Amazon Lily- Rey and luffy land on island full a women. Rey meets Boa Hancock who he remembers being enslaved with. He and luffy later find out that Ace and Zoro will be killed.
Battle of the Best- Marineford would be the same except when ace is a about to be killed shanks saves him. Akainu continues to fight till sengoku stops it after Blackbeard killed Whitebeard and he believes the battle has ended.
Rey doesn't need to be part of the story