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...
I've known Miyashita-sama's 
family for several years.
.أعرفُ عائلة مياشيتا-ساما منذ عدّة سنوات
Ich kenne Frau Miyashitas Familie
schon viele Jahre.
Hace varios años que conozco
a la familia de la señora Miyashita.
Hace varios años que conozco
a la familia de la señora Miyashita.
Je connais la famille de Mme Miyashita
depuis des années.
Conosco la famiglia di Miyashita-sama da molti anni.
Conheço a família da
Miyashita-sama há vários anos.
Я знаю семью Мияситы несколько лет.