Volume 4

The Guiding Lapis Lazuli (導きのラピスラズリ) is the fourth volume of The Case Files of Jeweler Richard series.

Book Description
''At that moment, Richard's words ran through his body. It's as if his words chilled the blood flowing through his veins.''

Richard closes his shop "Étranger" and disappears before Seigi's eyes. Seigi, receiving information from Richard's teacher Saul, who has appeared as the new shopkeeper, heads to England- the country concerning Richard's secret. A relative of Richard, a man named Jeffrey approaches Seigi during his journey. The past that plagues this beautiful jeweler and the decision of the "Hero of Justice"!