Demon Cat

About a girl named Olivia, that was denied on being part of the dark side. She never killed a person in her life. She never even killed a animal in her life.

Lucy's Awakening (Slowly Rewriting)

After the GMGs and Tartarus things change a little, Lucy has developed her powers and gotten a new key, but Natsu sees her as weak. To make things more interesting. Lucy breaks her magic seal, unlocking magic and memories she had forgotten.