A/N: If you are doing a prompt please notify me and almost all of these will be Marco and Ace, though I may put in other prompts. And these are pretty much are just ideas so use them as you will.
Disclaimer: I'll only say it once, I don't own One Piece, Oda does, and do I even need this?
How about a (sorta) domestic AU. Marco is an elf that studies the long lost art of magic and he works with people like the infamous White Beard, the all father in the nine realms, one day White Beard sends Marco to a forest that is considered cursed, one that almost nobody has stepped in since the day Gol. D Roger died, 20 years ago. He meets the three brothers Ace, Sabo and Luffy who have all grown up in the forest since their birth and can't get out of the forest because they got cursed by an elven mage. Marco, one of the best mages in the land, goes on a quest with Ace (who he is secretly infatuated with, whose curse is weaker than Sabo's and Luffy's), to reverse the curse.
Once they finally manage to reverse it all three brothers go to live with the White Beard pirates, since there is little room in the Moby Dick (1600 creatures of all kind will do that) Ace gets to bunk with Marco, in his magical house on the Moby Dick, then one day Marco come's home to find the kitchen in a mess and Ace crying on the floor, depressed and thinking he is the most useless person in the world.
