The Case Files of Jeweler Richard (Manga) Vol. 4

VIVIDLY UNRAVEL THE MYSTERIES OF THE HEART THAT LIVE WITHIN SHIMMERING GEMS

Seigi Nakata is a second-year student at Kasaba University who is majoring in economics. He works part-time at a jewelry shop run by the breathtakingly beautiful jeweler Richard. One day, while Seigi is talking to his schoolmate (and crush) Tanimoto, he meets her good friend Shinkai. Through a twist of fate, Seigi finds himself wrapped up with mysterious rumors of a cursed emerald at Shinkai's ballet troupe!Nanako Tsujimura is an author in Japan known for The Case Files of Jeweler Richard novels.

Mika Akatsuki is a manga artist in Japan best known for the manga adaptation of The Case Files of Jeweler Richard.
 
Utako Yukihiro is an artist in Japan known for the character designs in The Case Files of Jeweler Richard.