金田一耕助の冒険 (1979)

Obayashi's take on the famous Kosuke Kindaichi series, made popular partly thanks to the numerous movie-adaptions by Kon Ichikawa, the most known being The Inugami Family. Kosuke Kindaichi is the most famous detective in Japan. Kindaichi gets a new case to figure out who has beheaded a valuable statue and made off with its head.