Second-year Kasaba University student Nakata Seigi rescues a foreigner being harassed by drunks. Wavy blond hair, blue eyes, and clear skin. The man who speaks unfaltering Japanese is Richard, a very competent jeweler with customers both domestic and international.
Thanked by Richard for being a "hero of justice," Seigi hires Richard to valuate a memento from his late grandmother, a pink sapphire ring. Through Richard, the mystery hidden in the ring is eventually revealed...
The pink sapphire represents
 justice for the weak.
.يرمز الياقوت الورديّ إلى عدالة الضّعيف
Man sagt über den Rosa Saphir,
dass er für die Gerechtigkeit der Schwachen sorgt.
Le saphir rose symbolise
la justice pour les faibles.
Il significato dello zaffiro rosa è
"giustizia per i deboli".
O significado da safira rosa
é a justiça pelos fracos.
Розовый сапфир
символизирует правосудие слабых.