This story really has everything including your favorite One Piece characters, straw hat pirates, and much more. It is a sort of a time travel story with people ending up in a different world than their own.
If you enjoy a bit of a time travel story then this might be the fanfic for you. In this story, we see Monkey D. Luffy travel to another world.
Here he is no longer a Pirate King, but he has another important role to play.
The focus of this story is on Ace and Buggy. The chapters alternate between these two and this way you get a good insight into what is happening. And the story basically tells us what would have happened if Buggy met de ASL brothers as children.