The twin angels of sabertooth
Lucy Heartfilia and Yukino Aurgia, both experience tragedy. Betrayed, heart broken, lost, they run to the forest and find themselves together. They are about to give up when a beautiful white light erupts in front of them, "hello, I am Sapphire, the Angel of gathering. And you are my newest protégés"
(Note: hello, in 2017 January 7th, this story will begin major revisions! Basically I'm rewriting the whole thing. Because it sucked. Bare with me in the first few chapters, in some there aren't even quotations, I'm sorry for the inconvenience)