In a time of war and suffering, there is one law. Worship God alone and kill all satanic cultists. A warrior who follows this same concept takes this requirement very seriously, Her name is Martha, a young blonde woman with blue eyes who raises her sword in the name of God. In a world where demons have invaded the earth, humans attack them in the name of God. You play the role of the boy who was used as a ritual to imprison a demon in his body, in this story and Martha is willing to kill you.