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...
More so than my entire family's unhappiness 
at the engagement falling through,
أكثر من تعاسة عائلتي بأسرها 
،من انهيار خطوبتي
Die Verlobung wurde aufgelöst
Más que la miseria de mi familia
porque se deshiciera el compromiso,
Más que la miseria de mi familia
porque se deshiciera el compromiso,
Plus que de voir toute ma famille
malheureuse par mes fiançailles rompues,
Più che la disgrazia che aveva colpito la mia famiglia
 per via del fidanzamento che stava andando in pezzi,
Mais do que a infelicidade de toda a minha
família pelo desmoronamento do meu noivado,
Несчастье семьи от несостоявшегося
брака можно было пережить,