Guzoo: The Thing Forsaken by God

Original title: ＧＵＺＯＯ　神に見捨てられしもの

Directed by Kazuo Komizu

Upon visiting a secluded summer home, four high school girls are soon targeted by a horrific creature in the basement with a knowing housekeeper trying to keep the unspeakable heap secret and at bay using a flute.