A world where evil spirits (Evil) born from negative emotions rampage.Exorcists who pursue evil spirits were useful from the world as justice apostles. Meanwhile, the cool and super -rational exosoist RavenDespite the ability to purify evil spirits, it was creepy from the surrounding people because of his personality.One day, Raven, who was investigating the village where the demons of people were kidnapped,"My parents were taken away by the evil spirits, and my sister might have been possessed by the evil spirits," she met, Claris, who testified.The gear of life begins to go crazy- Dark fantasy to determine true "good and evil" in a world where humans and demons are in conflict !!