E1 - My First Mineral Hunt

Aired: July 06, 2025

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

E2 - The Value of Golden Color

Aired: July 13, 2025

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

E3 - The Lost Planet

Aired: July 20, 2025

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

E4 - Study of Sands

Aired: July 27, 2025

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

E5 - Worlds Seen and Unseen

Aired: August 03, 2025

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

E6 - A Closer Look Into the Blue

Aired: August 10, 2025

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

E7 - Seaside Recycling Studio

Aired: August 17, 2025

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

E8 - The Golden Hour Elegy

Aired: August 24, 2025

E9 - Episode 9

Aired: August 31, 2025

E10 - Episode 10

Aired: September 07, 2025

E11 - Episode 11

Aired: September 14, 2025

E12 - Episode 12

Aired: September 21, 2025

E13 - Episode 13

Aired: September 28, 2025