Yukime Friends

Originally a petrified mermaid Nube encountered and tried to revive. Eventually she came to life and wanted to thank Nube for reviving her by giving him some of her flesh granting him Immortality.

One of the main characters of the Jigoku Sensei Nube series.

A High School Girl who is a Spiritual medium and friend of Meisuke Nueno (Nube).

One of Nube's students.

One of Nubes students.

A troubkemaker in Nube's class. But is very helpful to Nube as he asks her for info on the occult, and supernatural. She later develops the ability to stretch her neck becoming a Rokurokubi.

The younger sister of the Oni Nube killed. She tried to get revenge for her brothers but failed. Nube was about to kill her but decided to let her live and became a student in his class.

A 5th grade teacher who is also a skilled exorcist. He protects his students, and friends from ghosts, monsters, and demons with his demon hand.

A kitsune who goes after Hiroshi for his skull. After being defeated by Nube he decides to leave Hiroshi alone. He eventually becomes a real teacher and a ally/rival for Nube.

The offspring of Nube and Yukime. He was very mischievous and caused a lot of chaos the day after he was born. He also terrorized the students at Domori Elementary by freezing their pants, and skirts off for fun.