Gemini

Living in a wealthy family of doctors, young Yukio Daitokuji must care for his wife, who has suffered amnesia since a mysterious fire. Strange events occur in the family home, which is believed to be haunted. Yukio's parents, terrified by a human-shaped monster, die in unexplained circumstances. Shortly afterwards, their son is confronted by his evil double, who usurps his identity and interferes in his life.