“This is the story of the beginning of the end…let me recount how it happened for you, my friend.”
In a world where humans and spirits coexist, Erda is lured by a mysterious voice away from his peaceful life in the tiny port city of Arma to a fateful encounter with a beautiful girl who has lost her memories.
Drawn to the mysterious girl, Erda gives her the name Ruin and takes her under his wing. But Erda soon discovers Ruin possesses the powerful ability to control the great spirits of darkness said to have once nearly destroyed the world.