The Case Files of Jeweler Richard Manga Volume 3 features story by Mika Akatsuki and art by Nanako Tsujimura.

Seigi, an ordinary university student, works at a jewelry shop run by the decidedly not-ordinary Richard. One day, a young boy named Hajime walks in, takes out a small cat’s eye gemstone, and asks Richard for a matching stone. What story lies behind this particular request?