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 tries to help a woman possessed by a snake ayakashi, but can she exorcise the demon without killing its host? When it looks as if Nanoka is in over her head, an enemy (and rival) comes to her aid. But then Nanoka must battle her own jealousy! Plus, demon cat Byoki reveals more of the closely guarded secrets surrounding Sana's death...