Obaasan

An elegant, old lady.
She is a monster that lives within the mountain, with a rumor that she has devoured all people entering her territory.
Beside Yato, she has been adopting lost and abandoned children for a long time. She is very strict in terms of children raising. Yato's current name "Yato" originated from the old youkai tale she once told him.
Has a habit of making kimono and becomes very skillful. She is also indulged in the reminiscence of her being the mountain's ruler a long time ago.