Demon Hand VS Fire Circle Tail Technique
Nube fights Yoko Tamamo to save Hiroshi, despite his injury and blood loss. If Nube attempted to save Hiroshi, it is Hiroshi who will save and takes care of Nube with loving hug as the latter suffers in injury and blood loss.
Aired 25/05/1996EP 7 - Demon Hand VS Fire Circle Tail Technique

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)