Kurumi Imari (伊万里 胡桃 Imari Kurumi) mainly referred to as Imari throughout the series, is a major character featured in the first and second eroge games and the anime series Bible Black: La Noche de Walpurgis and Bible Black: New Testament. She is also featured in a scene and episode of Bible Black: Only.

During her time as a student, Imari becomes the victim of Academy nurse Reika Kitami. The evil witch magically seduces Imari's childhood friend and neighbor Taki Minase who helps kidnap and abuse her. Kitami intends to use Imari's body as a vessel for her soul in an elaborate ritual, but the girl is eventually rescued by Minase after he comes to his senses.

Later in life, Imari joins the police before being recruited by Toru Yuge as a psychic investigator in his Tokken agency, an organization that deals with paranormal crime scenes. While working on a mysterious murder case with her colleague Aki Ichikawa, Imari's body is once again possessed by Kitami who uses it to pursue her evil plans.