Ruri Rocks

E1. My First Mineral Hunt

High school girl Ruri meets graduate student Nagi while collecting minerals in the mountains.

★ 7.0

E2. The Value of Golden Color

Ruri is determined to find gold, but Nagi explains that it might not be as likely as she hopes.

★ 6.5

E3. The Lost Planet

Ruri meets Nagi's colleague Imari, and the three embark on a journey to find a lost mine.

★ 6.5

E4. Study of Sands

In search of sapphire, Nagi teaches Ruri how to study sand, but Ruri prefers to hunt on a bigger scale.

★ 6.0

E5. Worlds Seen and Unseen

Ruri, Nagi, and Imari head to the beach in search of agate, and Ruri learns about the long lifecycle of rocks.

★ 5.7

E6. A Closer Look into the Blue

Just as the group begins searching for sapphire on foot, Ruri uncovers a grave mistake that halts their plans.

★ 6.0