The case files of Jeweler Richard

Second-year Kasaba University student Nakata Seigi rescues a foreigner being harassed by drunks. Wavy blond hair, blue eyes, and clear skin. The man who speaks unfaltering Japanese is Richard, a very competent jeweler with customers both domestic and international. Thanked by Richard for being a "hero of justice," Seigi hires Richard to valuate a memento from his late grandmother, a pink sapp...

Seigi begins working at "Jewelry Etranger." Richard tells him "you will exhibit no prejudice, nor speak in a discriminatory manner," but fails to understand his intention. One day, Akashi Mami comes to get a ruby valuated with the strange request to determine if the gemstone has been heated or not. Mami's brooding expression reminds Seigi of his grandmother, and he is curious. Meanwhile, Mami...

A small customer arrives at Etranger: second-year grade school student Kasaka Hajime. Hajime asks for a gemstone like the one he has and pulls an unset Cat's Eye out of his bag. Seigi is surprised and attempts to question Hajime about his situation, but Hajime obstinately refuses to speak to Seigi, who treats him like a child. Meanwhile, Hajime slowly begins to open his heart to Richard, who ...

Yamamoto arrives looking for a garnet for her engagement ring. Seigi feels positively about Yamamoto who has chosen a garnet rather than the standard diamond. However, when Yamamoto returns to the store, she seems to provoke Richard by stating that beauty is an advantage. Richard goes on to gently unravel the feeling sealed deep inside Yamamoto's heart...

One day, Seigi runs into Hase Keigo, the senior from his karate class who he admired. Delighted by their reunion, Seigi refers Hase to Etranger since he is looking for a jeweler. Meanwhile, Richard is concerned with Seigi's over-exuberant desire to help his senior. Hase arrives at Etranger looking to sell a fire opal. He begins telling the story of Seigi's grandmother as though it is his own...

Seigi's university friend Shimomura introduces him to Okita Ayumi, another member of his club. Ayumi has been looking for clues concerning her missing boyfriend. When she visits Entranger, she presents her only lead: a turquoise earring. Because her boyfriend went missing immediately after giving her the earring, she's searching for the store that sold it. However, when Richard sees the earri...