subame Amatsuka was born into a family of exorcists, known as “Haraigushi-ya”, who specialize in purifying and slaying spirits. However, after a tragic incident in which her parents were killed by a powerful yokai and her own exorcist powers were stolen, Tsubame has lived burdened by helplessness—holding on only to the memories of her beloved parents. One day, when her uncle tries to steal her parents’ keepsake, Tsubame desperately resists but is overpowered, prepared to face death… At that moment, a mysterious figure appears before her—someone who will change her fate forever.