Ekoda High's new student is the recently returned Kudo Shinichi, but it seems there's more to his arrival than a simple change of schools. There is a new danger lurking, but with all the problems riding on his shoulders, Shinichi might not be able to handle it alone this time. :Future KaiShin:

Kudo Shinichi, your average high school genius. That is, until he gets knocked out and fed an experimental drug. But instead of killing him, the drug crystallizes him, transforming him into a gem. Which gem, you ask? The one Kaito Kid happens to be looking for. ShinKai/KaiShin