I've been writing story posts at least loosely related to he plot over in my own little thread. They're probably not terribly interesting since Aya's involvement in the story is so peripheral, but in the interest of thoroughness I am going to put the links here
They're not really a cohesive story, but they are chronological!
Part One: Returning to the Shroud
Part Two: Meeting with C'kayah - A Wild Chocobo Chase
Part Three: A Model's Reflections
Part Four: Gathering Info (Introducing the Sleeping Boar!)
Part Five: Of the Flight of Birds
Part Six: Aya Meets Weylan
Part Seven: Aya and the Rabbit Hole
Part Eight: Meeting with C'kayah Upon the Pier
They're not really a cohesive story, but they are chronological!
Part One: Returning to the Shroud
Part Two: Meeting with C'kayah - A Wild Chocobo Chase
Part Three: A Model's Reflections
Part Four: Gathering Info (Introducing the Sleeping Boar!)
Part Five: Of the Flight of Birds
Part Six: Aya Meets Weylan
Part Seven: Aya and the Rabbit Hole
Part Eight: Meeting with C'kayah Upon the Pier