They say hannya has four expressions, anger, sorrow, jealousy and agony.
Hannya looks like an Oni, but it wasn’t originally an Oni. It used to be a human, a girl who went mad with jealousy and anger.
Hannya mask is a mask used in Noh, one of traditional Japanese plays, for female Oni. For example, “Dojo-ji temple (Anchin and Kiyohime)” is a very popular Noh story that a hanna mask is used.
The summary. Anchin is a traveling monk. Kiyohime fell in love with him though she should have known it was not allowed. He ran away from her. She ran after him. She started to hate him while she was chasing, but still loved him. Finally she turned into a snake with distorted emotions and burnt him to death.
The thing is that Hannya is still in progress. There are four phases, normal, Namanari, Chunari (Hannya) and Honnari (snake).
Which stage is your girlfriend/wife at?
by Tattooist Ryugen