The town where high school student Yohana Sakaki lives is dominated by the Yashiro family, a family of Shinto priests who exterminate evil spirits. Having lost her parents and living with her grandmother, Yohana is summoned to a banquet held at the Yashiro family's estate at her grandmother's request, which leads her to meet a mysteriously beautiful boy, Chitose...!?
With the awakening of a new power and an encounter with a boy, the lonely girl enters a world of the supernatural.
(Source: Kadokawa, translated)
— Description from AniList community (anilist.co).
