[Machine Translation] Kotori, who has an "ugly voice" that calls for evil, has had her voice silenced and has been imprisoned since childhood. She is eventually sold off as a sacrifice to pay for her sister's wedding. On the verge of death, Kotori is saved by her sister's fiance, Kaoru, who is a candidate for the head of a famous exorcist family. The head of the family is a candidate for the position of head of the famous family of exorcism and her sister's fiance, Kaoru, who is the candidate for the position of head of the famous family of exorcism and her sister's fiance. After her voice is unshielded by Kaoru, Kotori ventures out into the outside world. The more she learns about Kaoru's kindness, the more she wishes to be a part of his harsh fate. The more she learns about Kaoru's kindness, the more she wants to be a part of his harsh destiny.