Prologue
Three years have passed since the events in Onmyou Taisenki. The Ten-Ryuu and Chi-Ryuu have decided to set up an organization which specializes in combating spiritual anomalies. After three years time, they have managed to gather Toujinshis for all of the seventy two shikigamis. The two sides decided to celebrate their union by hosting a party. One of the shikigamis, Namazubou, planned a concert for the organization's viewing pleasure…