A mind-blowing murder mystery on a ship full of magical passengers. If Agatha Christie wrote fantasy, this would be it!

For a thousand years, Concordia has maintained peace between its provinces. To mark this honorary feat, the emperor's ship embarks upon a twelve-day voyage to the sacred Goddess's Mountain.

Aboard are the heirs of the twelve provinces of Concordia, each graced with a unique and secret magical ability known as a Blessing.

Except one: Ganymedes Piscero - class clown, slacker, ...