The Past of the Interdiction Which is Now Revealed! The Secret of the Birth of the Demon's Claw!!
One day, Nube's demon hand begins to overtake his body and Tamamo, Hiroshi, and Kyoko must travel to the past to find the solution before Nube becomes an Oni.
Aired 15/02/1997EP 34 - The Past of the Interdiction Which is Now Revealed! The Secret of the Birth of the Demon's Claw!!
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)