Synopsis

Conan and Sonoko arrived at a dojo in Osaka where Kyogoku was training. Takami, the dojo’s master, had once offered Kyogoku considerable assistance with his karate studies. As Conan and Sonoko observed the students practicing, Kajiyoshi appeared to obtain Takami's signature on their agreement. Operating the dojo had become increasingly difficult; Takami had taken out a loan and was contemplating selling it. Later, a prized black belt from the dojo’s display case vanished. When Kyogoku became the