Yone Mask - Petty Jealousy

Uncertain why he was not allowed to die and worried about the mask affixed to his face, Yone began to hunt azakana in an effort to better understand the mystery of his own fate. He discovered that he could seal other azakana into inert masks by learning their nature and true name, and now strives to discover the name of his own azakana.
The azakanas are demons that represents some specific negative feels and this one represents Petty Jealousy