Ace's Guardian Angel

A self insert story where reader-chan saves Ace at the battle of Marine Ford. Reader-chan is going to be a thousand or so year old Guardian Angel (more like an Angel of Destruction) of a supposed extinct clan. she lived in Raftal where she meets Gol D Roger, he tells her something that gives her hope.

Note: there will be no pairing. if you want I could write some one shots ;)

Character description:
(Y/N) - your name.
You are a winged human. You have some magical properties, not advanced. No you didn't eat a devil fruit. You are from an ancient race that is said to extinct.
You have jet Black wings and hair.
You are a skilled fighter and knows to use all kind of weapon, but prefers to use a lance.

Disclaimer:
I don't own One Piece. It is rightfully owned by Oda sensei.
English is not my native. There may be some grammar or spelling mistakes, please bare with me.