Lucy Lucky Heartfilla is her name, but she is also known as the Secret Singer. Once she sang in the costume party, everyone wanted to know who was behind that mask, especially famous basketball player; Natsu Dragneel. Will Natsu find who is behind the mask, or will Lucy pull off the mask first? Finding Series: Book 1 Fairy Tail belongs to Hiro Mashima. Songs I use belong to their owners.