The light novel series Housekisho Richard-shi no Nazo Kantei, aka The Case Files of Jeweler Richard, has a manga adaptation as well.
The light novel series comes from writer Nanako Tsujimura which began in 2015 and will have nine volumes out as of March 2020.
Seven Seas Entertainment has now revealed the license acquisition of the manga series by Mika Akatsuki, Nanako Tsujimura, and Utako Yukihiro, one of the top-requested series through their reader surveys.
Seven Seas will publish the manga for the first time in North America in print and on digital platforms in single-volume editions.