Izuna Hazuki Friends

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

One of Nube's 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.

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.

16-year old yuki-onna who Nube saved years ago from a hunter. Since then she has been following him and trying to win his heart.

A small child like Yokai that followed Nube around. It can also give luck to people just by being around her.