Oh My Ghost! Oh My God!

怎麼可能我家的祖先是你家的鬼 (original title)

Synopsis

A Japanese pop icon returns to her late mother’s birthplace in a mountain village, joined by a former classmate and her boyfriend. Their trek into the forest turns dark after disturbing ancestral spirits. Trapped in thick fog, fear manifests into inner demons as supernatural events unfold, blurring the line between self-discovery and a descent into madness.