The Dragon Princess

After a mission went wrong the fairy tail guild is left shattered, and to top it off a week after the incident the magic council wants them to guard a prisoner. It's been told that the prisoner has magic power that rivals Zeref himself, so the guild accept and agree to hold the prisoner until their sentence can be carried out. What's happens when the prisoner arrives?
What happens if the prisoner resembles someone long thought dead?
Follow your favourite team on their newest adventure!
What mysteries will unfold?
And what secrets will be told?