In 1251, a bull-like creature suddenly broke into the dining room of Sensoji Temple in Musashi Province.
Seven monks died instantly upon seeing the apparition. Twenty-four others later fell ill.
Japanese historical chronicle "Azuma Kagami"
It seems that somewhere in Misogi, Gyou, and Harae, a giant ayakashi "Ushi-oni" has invaded.
Rumor has it that some weapons are ineffective against the Ushi-oni...
It is up to you to "challenge" or "escape" this new calamity.
If you can escape, that is.