Higurashi
There are anime that lure you in with a cute and bubbly design only to pull the rug out from under you. Then, there’s Higurashi.
Set in a small mountain village, the story follows Keiichi Maebara as he tries to uncover the root of a strange phenomenon. Every year, one person is murdered and another disappears, always after a festival honoring the village’s god. Things quickly escalate, however, when his friends begin to go insane around him, murdering one another and pursuing him with a psychotic rage. His only option is to fight back try to survive and, if all else fails, try it all over again.
Providing a good deal of tension, psychological horror and gore galore, Higurashi is a rare example of a horror anime done right. Fans of the genre, and of good anime in general, won’t want to miss out on this series.