Manga Housekishou Richard-Shi No Nazo Kantei
The Case Files of Jeweler Richard ; 宝石商リチャード氏の謎鑑定
Genre: Mystery , Slice of life
The story follows Richard Ranashinha Dvorpian, a handsome British jewelry appraiser, and Seigi Nakata, a bright and upright Japanese college student. The duo solves various jewel-related cases by unraveling the hidden psychological aspects of their owners that lie within the gems.