Aido: Slave of Love (1969)

After wandering into a cemetery, a young man named Shusei is led by the mysterious Madame Enjoji to a secluded mansion. There, he is introduced to Aido, an ethereal woman who seems to be the living embodiment of his most surreal erotic fantasies. Caught between the real world and a haunting dreamscape, Shusei becomes obsessed with Aido.