
----- ADS-----
Studio Bind has released the second official trailer for Ruri no Hoseki: Introduction to Mineralogy (Ruri Rocks) ahead of its July 6 premiere. The trailer shows more of the anime’s mineral-themed story and features both the opening and ending theme songs. An advance screening event.
The opening theme is “Hikari no Sumika” (“Sanctuary of Light”) by Rei Yasuda, while Hana Hope will perform the ending theme, “Sapphire.” You can hear both in the trailer below.
Main Cast
- Miyria and fire As Ruri Tanigawa
- Asami Seto as nagi arato
- Yume Miyamoto as Yoko Imari
- Saki Hayashi As a word se
- Misuzu Yamada As Aoi Kasamaru
Main Staff
- Director: Shingo Fujii
- Series Composition: Michiko Yokote
- Character Design: Mayu Fuji
- Music: Daisuke Achiwa and Kazuki Yanagawa

Ruri no Hoseki is a Japanese manga written and drawn by Keiichiro Shibuya. It has been serialized in Enterbrain’s Assets since magazine since August 2019, with 5 volumes released as of September 13, 2024. The story follows Ruri, a young girl who likes jewelry and gemstones, as she enters the world of mineralogy and learns more about it.
Studio Bind is also working on Mushoku Tensei Season 3, which was announced without a release date.
Source: Ruri no Hoseki Official Website
©Keiichiro Shibuya/KADOKAWA/”Ruri’s Jewels” Production Committee