Jigoku Sensei Nuubee S

Meisuke Nueno, also known as “Nuubee”, is an elementary school teacher at Doumori Elementary, where youkai, spirits, and bizarre phenomena frequently occur. He's usually clumsy, poor, and unpopular, but once his beloved students are in trouble, he'll fight for his life with his invincible weapon, the Demon's Hand! See you, the strongest psychic teacher!