Detective Conan's long Doujinshi novels have many references to the following popular works: 1 Detective Conan: The Secret of the Dark Organization (The Secret of the Dark Organization) is a storyline in the comic Detective Conan by Aoyama Gangchang. The storyline is based on the original work and is adapted to tell the story of Conan and the members of the Junior Detective Group together to expose the Dark Organization. Detective Conan: The Diary of Fei Yingli (The Diary of Fei Yingli) is a story in the manga Detective Conan created by Aoyama Gangchang. The story is based on the original work and is adapted to tell the story of Conan and Maori Kogoro investigating a case together, and Maori's daughter, Fei Yingli, is also involved. 3 Detective Conan: The Labyrinth of Crossroads (The Labyrinth of Crossroads) is a story in the comic Detective Conan by Aoyama Gangchang. The story is based on the original work and is adapted to tell the story of Detective Conan and the members of the Junior Detective Group investigating a case at the "Labyrinth of Crossroads". 4 Detective Conan: The Detective of the Ocean (Detective of the Ocean) is a storyline in the comic Detective Conan by Aoyama Gangchang. The storyline is based on the original work and is adapted to tell the story of Detective Conan and the members of the Junior Detective Group investigating in the ocean.