Volume 1

The Case Files of Jeweler Richard (宝石商リチャード氏の謎鑑定) is the first volume of the The Case Files of Jeweler Richard series.

Synopsis
Seigi rescued a beautiful foreigner named Mr. Richard from a group of drunkards who were picking a fight with him. Learning that he is an expert jeweler with customers both in Japan and overseas, Seigi requests from him an appraisal of a pink sapphire with an interesting history that he never told anyone about before. When Mr. Richard unravels the heartrending "mystery" hidden in the jewel that his grandmother protected until the day she died, what is revived in Seigi's heart...?

Characters in Order of Appearance

 * Seigi Nakata
 * Richard Ranashinha de Vulpian
 * Hiromi Nakata
 * Hatsu Kanou (mentioned)
 * Kimiko Miyashita
 * Tae Miyashita
 * Mami Sasu
 * Shouko Tanimoto
 * Takashi Homura
 * Tatsuki Akashi
 * Satoshi Takatsuki
 * Haruyoshi Shimomura
 * Nozomi Kanzaki
 * Masahiro Onodera
 * Kyouko Onodera (mentioned)

Chapters

 * Case 1: "Justice of the Pink Sapphire" (ピンク・サファイアの正義)
 * Case 2: "The Ruby's Truth" (ルビーの真実)
 * Case 3: "The Amethyst's Divine Protection" (アメシストの加護)
 * Case 4: "Diamond of Recollection" (記憶のダイヤモンド)
 * Extra Case: "Wish Upon a Rose Quartz" (ローズクオーツに願いを)

Short Stories

 * Cleopatra's Pearls
 * Professor Kunz and Morgan