Namahage
A university student puts on a Namahage mask as a prank, but the joke turns frightening when his face begins to transform and he finds himself being hunted.
EP 63 - Namahage
1968
Gegege no Kitarou (1968)
Kitarou, a ghost, spends his afterlife helping humans in need of his skills. He thwarts the plans of evil spirits who live to torment humanity.