Isafuyu

is the daughter of the priest of the Mapputatsu Temple.

Personality
Isafuyu has a shy personality.

Plot
She is first introduced when Grandpa Kunieda takes Oga and the others to spend the night there. She immediately recognises Baby Beel's true nature and is greatly scared of him. Kunieda requests her help to learn how to defeat a demon, with a view to fighting the 34th Pillar Squad, as Oga and Toujou.

Powers & Abilities
She is described by Kunieda as very spiritually aware and, besides demons, can detect the presence of ghosts and perform exorcisms.