The Case Files of Jeweler Richard Novel Volume 6 was written by Nanako Tsujimura with illustrations by Utako Yukihiro.

The reappearance of a complicated figure turns Seigi’s life upside down—his birth father, Hisashi Shimeno. The man he wants nothing to do with will not leave him be, and Seigi would rather quit Jewelry Étranger for good than risk bringing trouble to Richard’s door. That is, if Richard will let him go…