At the first episode of Fairy Tail anime (first manga chapter), you will be introduced to Lucy Heartfilia as a female main character in the story, lately in Fairy Tail Manga Lucy Heartfilia plays an important role to close the Eclipse gate and prevent the world from being invaded by thousand acient dragon.
Its super sweet Lucy Cosplay photo by Real Lucy (or fortuna) I'm not sure the cosplayer name behind this picture, she has two black-rabit ear ribbon binding her hair, she also wearing a black tank top with a very sort pant, I do not remember when she wears this outfit in the anime.