Under the Pirate Ship (Percabeth fanfic)

Percy is a merman. Annabeth is a pirate. Basiclly it's your average Percabeth love story, but this time, with a twist. Annabeth is supposed to be a grown up mean pirate, but she can't help getting lost in Percy's eyes. After she realizes that Percy was not just a boy she dreamed up, she wonders how they could ever be together.