NaLu_And_Gruvia
Everyone sees Lucy as a bright, cheerful, and generally optimistic girl. She's made many friends since joining Fairy Tail, and is always there for them. But what if she's hiding something from her past? Something much darker then what she has chosen to reveal? Natsu begins to notice some changes in her behavior, and she begins to grow distant. Will Natsu find out the past she's been hiding?