When Nanoka is transported back in time to a supernatural early 20th century, she gets recruited by aloof exorcist Mao. What thread of fate connects them? Together, they seek answers...and kick some demon butt along the way!

Nanoka and Mao attempt to mediate a deadly dispute between curse-wielding sisters Kagari and Ayame. Then, our exorcist heroes are off to investigate villagers rumored to perform human sacrifices to a mysterious water god. Is Nanoka's sword, Akanemaru, up to the tasks that lie ahead...?