Lucy has a big secret that only Wendy knows. She doesn't want to tell the others especially Natsu because she is afraid that they might get involved. But an unexpected event will happen. Because of this, Lucy, together with Wendy and Charles, is forced to leave Fairy Tail and her friends to go to the Dragon Realm to train with the DRAGONS. There, Mysteries about Lucy's past wil be unfold..

What happens when you finally realize that the one you think you'll love for the rest of the life, was just right by your side? Specifically taming dragons and sharpening our tools? I never thought I'd look at Hiccup this way. It's unexpected, I guess.