Animation20251 seasonTV-14★ 7.6
High schooler Ruri Tanigawa loves shiny things. She loves them so much that she heads into the mountains to search for crystals herself—where she unexpectedly meets Nagi Arato, a graduate student studying mineralogy. As the pair start collecting minerals together, Ruri begins developing a genuine appreciation for science and the beauty of the natural world.
Where to watch
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Episodes
1My First Mineral Hunt
Jul 6, 202524 min
High school girl Ruri meets graduate student Nagi while collecting minerals in the mountains.
2The Value of Golden Color
Jul 13, 202524 min
Ruri is determined to find gold, but Nagi explains that it might not be as likely as she hopes.
3The Lost Planet
Jul 20, 202524 min
Ruri meets Nagi's colleague Imari, and the three embark on a journey to find a lost mine.
4Study of Sands
Jul 27, 202524 min
In search of sapphire, Nagi teaches Ruri how to study sand, but Ruri prefers to hunt on a bigger scale.
5Worlds Seen and Unseen
Aug 3, 202524 min
Ruri, Nagi, and Imari head to the beach in search of agate, and Ruri learns about the long lifecycle of rocks.
6A Closer Look into the Blue
Aug 10, 202524 min
Just as the group begins searching for sapphire on foot, Ruri uncovers a grave mistake that halts their plans.
7Seaside Recycling Studio
Aug 17, 202524 min
Ruri finds sea glass on the beach and runs into her classmate Shoko, who has a secret passion for minerals.
8The Golden Elegy
Aug 24, 202524 min
Ruri teams up with Shoko for a science project, which takes a turn when they discover a strange, orange rock.
9Time Capsule of 1.9 Million Tons
Aug 31, 202524 min
Ruri and Nagi head out to hunt for opals but discover that the area has already been fully excavated.
10Sentence to an Abandoned Railroad
Sep 7, 202524 min
Imari leads a hunt for manganese ore, when the group encounters a mystery along abandoned railroad tracks.
11The Sapphire Cradle
Sep 14, 202524 min
When Ruri has trouble deciding on her future, she turns to her study of sapphire.
12Memories Come with Rocks and Noise
Sep 21, 202524 min
When Ruri discovers her grandpa's old crystal radio, she's determined to restore it.
13Look Up, Examine, Search! And Next!
Sep 28, 202524 min
Ruri, Shoko, Nagi, and Imari take a trip together, where they search for meteorite at a hot springs inn.
Cast
Miyari Nemoto
Ruri Tanigawa (voice)
Asami Seto
Nagi Arato (voice)
