Hartman Kautiurs is a crown prince of Poste empire. He’s got a special gift of seeing the future.
This gift has long been handed down through Kautiurs family, and it made them the emperor.
Hartman’s father, the emperor himself, was worried his gift might be abused and never let him leave the palace.
One day, Hartman successfully escapes the palace and meets an one-armed violinist.
This changed the empire forever.