Housekishou Richard-shi no Nazo Kantei S01E02 - The Ruby's Truth

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's troubled fiancee Homura Takashi arrives at the store...