The official Ruri Rocks accounts have unveiled the creditless versions of the anime’s opening and ending theme sequences. The series is currently available to stream on Crunchyroll.
Opening Theme –“Hikarinosumika” by Rei Yasuda:
Ending Theme – “Sapphire” by Hana Hope:
Key Visual:

STAFF:
Director: Shingo Fujii
Series Composition: Michiko Yokote
Character Design: Mayu Fuji
Music: Daisuke Achiwa/Kazuki Yanagawa
Animation production: Studio Bind
Crunchyroll describes Ruri Rocks anime:
The story of the series follows Ruri, a high school girl who loves jewelry, who develops an interest in the world of mineral collecting after encountering Nagi, a graduate student studying mineralogy.
Source: @rurinohouseki
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