Draco, Melise, and The Melody Star

Lucy wasn't only a celestial mage, she was the daughter of Draco and Melise. The Celestial dragon and the Music dragon. But she never told anyone about her primary magic. Only her celestial spirits. Eventually, not practicing her dragon slaying her senses dulled. So, how will Lucy keep her secret in secret? And how long?

This is in between Tenroujima Arc and Grand Magic Games Arc. Jude Heartfilia has never died and the Heartfilia Konzern never got bankrupted.