Ghost Hunt (Japanese: ゴーストハント, Hepburn: Gōsuto Hanto), originally titled Akuryō Series (悪霊シリーズ), is a light novel series written by Fuyumi Ono. It follows the adventures of the Shibuya Psychic Research Center as they investigate mysterious occurrences all over Japan with a team of other spiritualists and clever assistants. Although the last novel was published in 1994, the story was left incomplete.The novels were adapted into a radio drama for Akuryō Series in 1997.