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, Housekisho Richard-shi no Nazo Kantei

Richard ranashinha dvorpian is a british jewelry appraiser who is described as handsome. he teams up with seigi nakata, a japanese college student known for being bright and upright. together, they solve mysteries involving jewels by examining the psychological traits of their owners that are concealed within the gems themselves.