Set after the GMG. Lucy has been ignore by everyone except Master, Gajeel, Laxus, The Thunder God Tribe, Juvia, Elfman, Mira, Wendy The Exceeds, Gildarts and Cana.
~One day Lucy found a bunch of keys and not just any keys, they're dragon keys. The difference between dragon keys and others is that dragon keys are connected to your heart, soul and body. The dragons in the key can takeover your body and use their power in your body. When She found the keys her spirits allowed her to merge with their keys so she could use their powers and they could takeover her body. She has a form for each different key~
Lucy has been keeping this a secret from everyone except her friends and Master. What happens when Levy does something to Gajeel that cause Metalicana to force himself to take over Lucy's body.