High school student Touko loses her grandmother, who was one of her few ally.Obstructed by her aunt and in despair, Touko is visited by a relative of her missing mother.The Kamisaka family, who make a living by "hunting demons," welcome the "power" that Touko herself has always hated.Feeling accepted for who she is for the first time, Touko decides to live at the Kamisaka shrine.What awaits her is a life shared with Chihiro, a boy her age, and Chiei, a talented sorcerer.Touko comes into contact with the anguish of Chihiro, who was born into Kamisaka but has no powers, and the two polar opposites begin to connect with each other.