Tokyo, the imperial capital of the 14th year of the Taisho era. Amen Oryo, a pickpocket girl who lost her parents in the earthquake, met Haruya Karasuma, a high school student who calls himself an "Onmyoji". At that time, heinous crimes were occurring frequently in the Imperial City, but there are rumors that a "tengu" will definitely appear near the scene ...!? An exciting Taisho buddy action !!