Born in a prestigious priestess family, Shizune Ayatsuji exhibits her talents since young and has been battling against Fiends as an Exorcist.
One day, she took an exorcism request and headed to a forest, only to find a Fiend who broke free from its seal and resurrected.
Shizune fought, but was helplessly defeated…
It was then when Kaori, Shizune’s mother and also a powerful priestess, came to rescue her.
Shizune escaped, and made a resolve to defeat that monster at all costs.