Kouu

Reincarnated as EMIYA through the use of three wishes, the future pirate king... no, the future greatest swordsman... no, that's not it either, the future greatest marksman.. Damn it, let's just do all three. the future greatest marksman, swordsman, pirate king shall have the adventure of a lifetime!

The Kuja pirates, the marines, the world, nobody but Hancock herself knew of the girl's existence, but that didn't matter to the girl, who exposed herself to the world in a grand manner, before taking rule of the Shichibukai pirate crew, for her goal of becoming Pirate King. (one piece OC-centric fanfiction AU)