Family?!

Lucy and Juvia have had a close bond. They are best friends and inseparable. Natsu and Gray are always around the two. One day the guild betrays the two girls. Calling them weak and useless. The two are heartbroken. They run away. And they find out that they are the twin daughters of Acnologia. They learn all their magic and come back stronger than ever. They create their own guild, a dark guild. And this guild has one main objective.

Take down fairy tail.