Enju

Enju is an Oni with orange hair, usually done up with two buns covering her horns. She is the leader of the local group of Oni, which also run a church. She desires Byakki as whomever is imprinted by her will be recognized as the king of the Oni. However, she also is very kind, caring about all of her people, and wouldn't kill Tōru despite him being the one currently imprinted by Byakki. She and the other Oni have a love for the internet an online shopping, having paid for Byakki's delivery and obtained various other powerful things that way.

(Source: Wikipedia)