Running in the snowy land of Grayford, a young woman is trying to escape from her pursuers. While near a cliff, she felt an awful pain in her back, making her lose her posture and fall in the emptiness. Meanwhile in the modern world, during Arbell Criff’s breaktime, situated at the top of a building, a strange figure is being reflected in her glasses. Barely noticing it, she found herself thrown out in the air… Before waking up in the body of a red-haired young woman.
Unknowingly, Arbell is going to be dragged in a long journey to discover the dark truths behind her previous existence and the meaning of her presence in this new world.