Mystery of 00:00:00!? Parallel Mirrors of the Seven Mysteries
Kyoko and Miki reflect themselves on opposing mirrors on the school at midnight showing them their older selves, now each time they reflect themselves they see themselves getting more and more old.
Aired 26/10/1996EP 23 - Mystery of 00:00:00!? Parallel Mirrors of the Seven Mysteries
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)