What kind of demon is Tianzhu girl?

This girl is jade rabbit essence.

Empress Tianzhu is a figure in The Journey to the West. She is the princess of Tianzhu, the incarnation of Yutu Jing, and was sent by the Jade Emperor to test the mind of Tang Priest.

The prototype of Tianzhu Girl is rosny, the concubine of Luna in Indian mythology. She is the wife of Sankara, the moon god, and the owner of Jade Rabbit. The image of Tianzhu girl is beautiful and moving, wearing a white gauze skirt, wearing a golden crown and holding a crescent machete. She sings tactfully and dances gracefully.