Case closed / Aoyama, Gosho

High school detective Jimmy Kudo continues to solve cases despite having been physically transformed into a first grader after eating a mysterious substance. In this volume, Jimmy works on the case of a cursed piano while trying to discover why a mysterious woman he doesn't recognize claims to be his girlfriend.

When six detectives are invited to an old manor to play a deadly game devised by a master thief, each of them are unable to solve the mystery until Conan arrives uninvited and takes charge.

Conan and Rachel are on an airplane trip when they stumble unto a murder victim. In a shocking twist, Jimmy Kudo appears to help Rachel solve the mystery before the plane lands.

High school detective Jimmy Kudo is fed a substance and is physically transformed into a first grader. He takes on the pseudonym Conan Edogawa. He investigates a diplomat who is found dead in his study. Conan and his friends also investigate a missing person from the local library. He thinks the two investigations are connected, but he must keep himself alive if he wants to find out.

Conan investigates a tricky murder at a snowbound mansion where the suspects are magicians. Then he encounters an old nemesis.