Conan and Kaneda were both Japanese mystery novel characters, and there was a certain connection and intersection between the two. Conan was the main character of Detective Conan, a high school detective Kudo Shinichi's doppelganger, while Kaneda Ichigensuke was a bounty hunter. In Detective Conan, Conan and Kaneda often worked together to solve cases. There were also some similarities in their reasoning and methods. At the same time, Conan was also gradually discovering the identity and secrets of Kaneda and gradually understood the relationship between Kaneda and Maori Kogoro. In " Kaneda Ichigensuke," Kaneda Ichigensuke and Conan were natural enemies. The battle between the two was also very intense. Through these two stories, we can understand some of the plots and elements of Japanese mystery novels, and at the same time, we can also appreciate the wonderful performance of the two protagonists.