: Instead of just valuing gems, the protagonist Richard Ranashinha de Vulpian uses them to unravel the hidden psychological burdens or "mysteries" of their owners.
The series is often praised by viewers for going beyond its surface-level mystery-of-the-week format to explore complex human experiences through the lens of jewelry: Housekishou Richard-shi no Nazo Kantei
: It features a "deep" and evolving bond between Richard and Seigi Nakata . Fans on platforms like Tumblr and Reddit frequently discuss the intense, often queer-coded connection between the leads, which evolves from a professional mentorship into a profound life partnership. : Instead of just valuing gems, the protagonist