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...
If you'd like, I'd be willing 
to buy that padparadscha.
.إن أردت، أنا جاهز لشراء تلك البادبارادتشا
Se vuoi, sono disposto a comprare quel padparadscha.
Se aceitar, estou disposto a
comprar aquela padparadscha.
Если так хочешь, я могу
выкупить у тебя падпараджу.