

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…
TV-14 • Animation, Comedy • Series • 2025 • 1 season
Starring: Miyari Nemoto, Asami Seto

S1 E1 - My First Mineral Hunt
High school girl Ruri meets graduate student Nagi while collecting minerals in the mountains.
Jul 6, 2025 • 24m

S1 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.
Jul 13, 2025 • 24m

S1 E3 - The Lost Planet
Ruri meets Nagi's colleague Imari, and the three embark on a journey to find a lost mine.
Jul 20, 2025 • 24m

S1 E4 - Study of Sands
In search of sapphire, Nagi teaches Ruri how to study sand, but Ruri prefers to hunt on a bigger scale.
Jul 27, 2025 • 24m

S1 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.
Aug 3, 2025 • 24m

S1 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.
Aug 10, 2025 • 24m

S1 E7 - Seaside Recycling Studio
Ruri finds sea glass on the beach and runs into her classmate Shoko, who has a secret passion for minerals.
Aug 17, 2025 • 24m

S1 E8 - The Golden Elegy
Ruri teams up with Shoko for a science project, which takes a turn when they discover a strange, orange rock.
Aug 24, 2025 • 24m

S1 E9 - Time Capsule of 1.9 Million Tons
Ruri and Nagi head out to hunt for opals but discover that the area has already been fully excavated.
Aug 31, 2025 • 24m

S1 E10 - Sentence to an Abandoned Railroad
Imari leads a hunt for manganese ore, when the group encounters a mystery along abandoned railroad tracks.
Sep 7, 2025 • 24m

S1 E11 - The Sapphire Cradle
When Ruri has trouble deciding on her future, she turns to her study of sapphire.
Sep 14, 2025 • 24m

S1 E12 - Memories Come with Rocks and Noise
When Ruri discovers her grandpa's old crystal radio, she's determined to restore it.
Sep 21, 2025 • 24m

S1 E13 - Look Up, Examine, Search! And Next!
Ruri, Shoko, Nagi, and Imari take a trip together, where they search for meteorite at a hot springs inn.
Sep 28, 2025 • 24m
Ruri Rocks
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.
TV-14 • Animation, Comedy • TV Series • 2025