Summer of Ubume (姑獲鳥の夏, Ubume no natsu), Akio Jissôji, 2005

Kyogokudo is a used bookseller who doubles as an onmyouji, or Heian style occultist. His friend Sekiguchi brings him the story of a woman who has been pregnant for twenty months. Sekiguchi investigates further with the help of his friend Enokizu, a detective with the unusual ability to see peoples memories. They are hired by the impossibly pregnant womans sister to find the womans missing husband and lay this whole matter to rest. In the end, they need the help of Kyogokudo to exorcise the family curse.