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.
Ruri Tanigawa (voice)
Nagi Arato (voice)
Yoko Imari (voice)
Chibi Seiryu (voice), Shoko Seto (voice)
Aoi Kasamaru (voice)
Maika Iwakumo (voice)
Ruri's Mother (voice)
Shoko's Father (voice)
Shoko's Mother (voice)
Nursery School Teacher (voice)
Newscaster (voice)
Newscaster (voice)
Seiryu (voice)
Dam Release Public Warning Alert (voice)
Library Announcement (voice)
Engineer (voice)
Railway Track Maintenance Worker (voice)
Military Police (voice)
Priest (voice)
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Top cast
Miyari Nemoto·Asami Seto·Yume Miyamoto·Saki Hayashi·Misuzu Yamada·Momoka Terasawa·Megumi Toyoguchi·Shinji Kawada