
Image: 2025 渋谷圭一郎/KADOKAWA/「瑠璃の宝石」製作委員会
AMBot | 03/23/2025 | Reading Time: 2 Min.
The upcoming series by author Keiichiro Shibuya combines scientific fascination with youthful curiosity. At its center is the student Ruri, whose passion for jewelry and gemstones leads her into the world of mineralogy. By her side is Nagi, an ambitious master's student who mentors Ruri in the secrets of petrology.
Production Team and Aesthetics
- Director: Shingo Fujii (My Dress-Up Darling)
- Series Composition: Michiko Yokote (Shirobako)
- Animation: Studio Bind (Mushoku Tensei: Jobless Reincarnation)
First published artworks show Ruri amidst crystalline formations, surrounded by the tools of a mineral collector. The voice cast includes:
- Yume Miyamoto as Imari Youko, a pragmatic classmate,
- Saki Hayashi as Seto Garasu, a tech-savvy friend,
- Misuzu Yamada as Kasamaru Aoi, Ruri's inquisitive younger sister.
The series explores how Ruri's aesthetic preference for accessories evolves into a deeper interest in geological processes. Episodes aim to convey both scientific fundamentals and interpersonal dynamics within a group of young researchers.
Shibuya's original work emphasizes authentic insights into mineralogy, while the adaptation by Studio Bind strives for a balance between educational elements and coming-of-age moments. The released key visual symbolizes Ruri's transformation from a passive collector to an active explorer.

Production Team and Aesthetics
- Director: Shingo Fujii (My Dress-Up Darling)
- Series Composition: Michiko Yokote (Shirobako)
- Animation: Studio Bind (Mushoku Tensei: Jobless Reincarnation)
First published artworks show Ruri amidst crystalline formations, surrounded by the tools of a mineral collector. The voice cast includes:
- Yume Miyamoto as Imari Youko, a pragmatic classmate,
- Saki Hayashi as Seto Garasu, a tech-savvy friend,
- Misuzu Yamada as Kasamaru Aoi, Ruri's inquisitive younger sister.
The series explores how Ruri's aesthetic preference for accessories evolves into a deeper interest in geological processes. Episodes aim to convey both scientific fundamentals and interpersonal dynamics within a group of young researchers.
Shibuya's original work emphasizes authentic insights into mineralogy, while the adaptation by Studio Bind strives for a balance between educational elements and coming-of-age moments. The released key visual symbolizes Ruri's transformation from a passive collector to an active explorer.

This article was originally published in German. It was translated with technical support and editorially reviewed before publication.
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