Odeon

One day a girl starts to awaken to her fate. Even if that fate may be too harsh for that frail body of hers...
A woman singing in the Roman-era Odeon.
A secret is now hidden under its remnants, exposed to the harsh weather for all eternity.
A mysterious human race that has come to Earth from somewhere else. Could that girl be a reincarnation of the songstress Mirei?
In the flow of time an ancient phantasm nobody remembers reoccurs again. Where is humanity guided to?
Past and present intersect here...