Ramiel's life is turned upside down when her family is attacked by demons, leaving it up to her to save their lives, to her greatest surprise yet, she is not alone in this fight and she will soon discover something that will change her life completely. Along the way she discovers a whole new world that she is soon forced to join, fighting off supernatural beings with 3 people who are the farthest from normal, yet she feels are like their family and can't shake off this strange connection she feels.