The protagonist, Hisato Kuzuki, is an ordinary schoolgirl at first glance, but she is a descendant of the Onmyouji He had the unusual aspect of conducting an exorcism with his father Kimihiro.

One day, he came to Kuon and his friends with the news that he was conducting an exorcism in another area. The three sisters, Yuka and Setsuna Kandoh, and their childhood friend, Fuma Kitagawa, arrive in town.

They say that an evil spirit is involved in the recent disappearance of a young woman in the neighborhood, and offer to help solve the case.

They gather information while exorcising the evil spirits that haunt the town. In the meantime, Kimihiro decided to go to meet with his acquaintances who seemed to have powerful information.

However, at the right time, they were each attacked by the enemy. Setsuna and Yuka are trapped by the enemy, and Kimihiro is unable to act.

Hisato learns that there is an organization leading the evil spirits behind the scenes and decides to stand up to them in order to save his father, Setsuna and the others.

What lies ahead in this battle is …….