Appears Shoukera on the Window! Ritsuko-sensei's Maximum Crisis
Mamoru Kazama, a student of Ritsuko-sensei's class is sent to the hospital after he sees a dancing demon on top of his house. Ritsuko-sensei feels she must protect him and stays with him in the face of danger.
Aired 08/02/1997EP 33 - Appears Shoukera on the Window! Ritsuko-sensei's Maximum Crisis
1996
Jigoku Sensei Nube
Nube is a clumsy, easygoing, and very kind teacher, but he has a secret under his glove on the left hand. He has a monster hand, and he also has the ability to sense ghosts and evil spirits. So he protects his dear students from these evil spirits with his monster hand, proving to be very powerful.
(Source: Anime News Network)