After making friends with his classmates Saga and Fushimi, Ashiya believes the high school life he dreamed of may finally be his. But before he has the chance to enjoy his new life, he's instructed to go to a certain temple alone to find and return a yokai's lost possession. At the temple, Ashiya meets a girl named Fujiwara Zenko, and it seems the lost possession in question has something to do with Zenko's father, the head priest...
This is my "rage mask." 
It makes my emotions violent.
Dies ist meine „wütende Maske“,
welche Groll zum Ausdruck bringt.
Con la máscara de la ira,
me pongo algo violento.
J’ai aussi un masque contrarié
pour les émotions hostiles…
Essa é minha "máscara de raiva". 
Deixa minhas emoções violentas.