The 10 year mystery

Time has dulled the hurt and desperation of Conan's disappearance, but it has also increased the skill of the Shonen Tantei. Especially the current leader and one of the two more intelligent members of the group: Mitsuhiko. Coming across an inconsistency in Conan's history, Mitsuhiko begins to pursue the mystery, no matter how much Shinichi tries to stop him.