Fear.

"The mask not only hides her identity, but strikes fear into those who would dare harm a member of the Oni. In turn, she is viewed as a monster, not of this world."

 

Hair: [Monso] Poisonous Hair /Mix & Pop

 

Outfit: Luas - Yui Kimono(Including Mask / Sword)

 

Shoes - MikiNe- Cyber Boots

Done