He becomes embroiled in an incident during which he pulls out a holy sword imbedded in a rock and ends up becoming a “Shepherd,” one who casts away calamity from the world.
Sorey is a human youth who grew up among the “seraphim” (tenzoku), spiritual beings not visible to humans.
One day, Sorey visits the human capital for the very first time.
And thus, the Shepherd embarks on an amazing journey with his companions.