Annin

Annin, also known as the Supreme Elderly Lord (太上老君 Taijō-Rōkun), is the guardian of the sacred Furnace of Eight Divisions, the border between life on Earth and the Other World. She is among one of the few beings working under [King Enma](https://anilist.co/character/9773/Lord-Enma) that does not appear to be an ogre.