A sudden tragedy strikes two people who make their living as ghost hunters.

In his grief, one of the hunters, Gaigust, vows revenge.

When he obtains forbidden power, a new battle begins–!!

A tragedy created the hunters known as the “Defiant Souls”

By absorbing the power of their enemies, the ghostly army of the “Skullcrag”, the “Defiant Souls” are reborn!

Standing In The Way Of The “Defiant Souls”