Seasons and episodes
1Season 1 Jul. 06, 2025
1 - 1Episode 1 Jul. 06, 2025
1 - 2The Value of Golden Color Jul. 13, 2025
1 - 3The Lost Planet Jul. 20, 2025
1 - 4Study of Sands Jul. 27, 2025
1 - 5Worlds Seen and Unseen Aug. 03, 2025
1 - 6A Closer Look Into the Blue Aug. 10, 2025
1 - 7Seaside Recycling Studio Aug. 17, 2025
1 - 8The Golden Hour Elegy Aug. 24, 2025
1 - 9Time Capsule of 1.9 Million Tons Aug. 31, 2025
1 - 10Sentence to an Abandoned Railroad Sep. 07, 2025
1 - 11The Sapphire Cradle Sep. 14, 2025
1 - 12Memories Come with Rocks and Noise Sep. 21, 2025
1 - 13Look Up, Examine, Search! And Next! Sep. 28, 2025
Creator
Cast
Ruri Tanigawa (voice)
Nagi Arato (voice)
Yōko Imari (voice)
Shōko Seto (voice)
Aoi Kasamaru (voice)
Synopsis
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.
Original title 瑠璃の宝石
First air date Jul. 06, 2025
Average Duration 24 minutes
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