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...
but my grandmother was from the land
 that produced the padparadscha,
لكنّ جدّتي كانت من البلاد 
،الّتي أنتجت البادبارادتشا
aber meine Großmutter wurde
in der Heimat des Padparadscha,
mais ma grand-mère
est née à Ratnapura,
ma mia nonna è nata dove si estrae il padparadscha,
mas minha avó nasceu em um
lugar produtor de padparadscha,
Моя бабушка родом с земель падпараджи,