Aniplex has released a new trailer for the anime Ruri no Hōseki , revealing several new details about the production. Among them, the premiere date ( July 6 , 2025), theme songs, voice cast, and production team.
The anime's opening theme will be "Hikari no Sumika" (Home of Light) by artist Rei Yasuda , while the ending theme will be "Sapphire" by singer Hana Hope . Check out the trailer below:
About the production of the anime
Studio Bind is producing the anime. The voice actors for the main characters have already been revealed, along with their visuals and a brief description of their personalities. See below:
Miyari Nemoto will play Ruri Tanigawa
A high school student with a penchant for shiny things, she meets Nagi and becomes interested in the world of mineral collecting.
Asami Seto will be Nagi Arato
She is a graduate student specializing in mineralogy. She has a wealth of knowledge and experience in minerals and shares the joy of collecting minerals with Ruri.
Yume Miyamoto will be Yōko Imari
She's a fourth-year university student who works in the same mineralogy lab as Nagi. She enjoys learning through books and old maps.
Saki Hayashi will play Shōko Seto
Ruri's classmate, she seems to be interested in Ruri, who is collecting minerals...
Misuzu Yamada will play Aoi Kasamaru
Ruri's classmate, one of the friends who often plays with Ruri.
The newly announced production team members are:
- Assistant Director: Yasuhiko Akiyama;
- Chief Animation Directors: Mayu Fujii and Kazuhiro Ōta;
- Object Designers: Ayumi Ninomiya and Anzu Nakai;
- Mineral Project: CLUSELLER;
- Art Director: Shunihirō Yoshihara;
- Art setting: Kazushi Fujii;
- Color Key Artist: Makiko Doi;
- Director of Composition and Photography: Takuya Ogata;
- Editing: Yūji Oka;
- Sound Effects: Takuya Hasegawa;
- Sound Production: Bit Grooove Promotion.
Synopsis of Ruri no Hōseki
The story follows high school student Ruri, a girl with a passion for minerals and jewelry. One day, she meets mineralogy graduate student Nagi, who draws her into the world of mineralogy and her scientific adventures.
Also known as Introduction to Mineralogy , the work is based on the manga of the same name, written and illustrated by Keiichirō Shibuya . The manga was released by Kadokawa in Harta in 2019.
To not miss the news about Ruri no Hōseki and other anime, follow us on WhatsApp and also on our Instagram .
Source : website for the anime Ruri no Hōseki.
