Fade to Sapphire (Jerza fanfic)
Erza has been known for years as Titania, due to her tremendous strength and abilities in battle. One day however, an unforeseen event causes a number of problems to her, including loss of her memories. Jellal, who was always there for her, despite the hard times, tries everything in his power to help her regain her memory, as a special bond between the two magicians is slowly starting to develop.
*Disclaimer: I do not own the characters of this fanfiction or anything regarding Fairy Tail. I only own the plot.