Kayako, an enthusiastic exorcist hailing from a secluded island, embarks on a new chapter in the bustling city. Guided by her two loyal familiar spirits, Kagari and Kohaku, she dedicates herself to purging malevolent entities. Kagari adopts the guise of a daring pirate bird, while Kohaku transforms into a majestic silver fox to blend in with humans. Driven by her late brother's legacy, Kayako is resolute in her mission until a crisis of faith strikes. Confronted with a newfound reluctance to save wicked spirits, she faces a profound dilemma that challenges her core beliefs.