Season 1

1. My First Mineral Hunt

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

2025-07-06 • 24 min

2. The Value of Golden Color

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

2025-07-13 • 24 min

3. The Lost Planet

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

2025-07-20 • 24 min

4. Study of Sands

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

2025-07-27 • 24 min

5. 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.

2025-08-03 • 24 min

6. 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.

2025-08-10 • 24 min

7. Seaside Recycling Studio

Ruri finds sea glass on the beach and runs into her classmate Shoko, who has a secret passion for minerals.

2025-08-17 • 24 min

8. The Golden Hour Elegy

2025-08-24 • 24 min

9. Episode 9

2025-08-31 • ? min

10. Episode 10

2025-09-07 • ? min

11. Episode 11

2025-09-14 • ? min

12. Episode 12

2025-09-21 • ? min

13. Episode 13

2025-09-28 • ? min