Ruri no Houseki

A glittering stone can turn an ordinary day into a small expedition. Drawn in by the beauty of jewelry but priced out of her dreams, high schooler Ruri Tanigawa follows a family hint toward the outdoors—where stones aren’t bought, but found.

Guided by Nagi Arato, a patient graduate student with a scientist’s eye, Ruri begins to trade shop windows for mountainsides, riverbeds, and rocky paths. Each trip blends quiet discovery with practical lessons, revealing the history hidden in crystal and ore—and the calm satisfaction of learning to see the world, one find at a time.