Ruri No Hōseki: Trailer reveals debut date and theme songs

Aniplex has released through the official website of Anime Ruri No Hōseki a new trailer that reveals several news about the production. Among them, the debut date, July 6 , 2025, theme songs, the cast of voice actors, and the production team.

The opening song of the anime will be "Hikari no Sumika" (Home of Light ') by artist King Yasuda , the closing is "Sapphire" by singer Hana Hope . Check out the trailer below:

About Anime Production

Studio Bind is producing the anime. The voice actors of the main characters have already been released, along with their visuals and a brief description about their personality, see:

Miyari Nemoto will be Ruri Tanigawa

A high school student who likes brilliant things. She knows Nagi and begins to be interested in the world of mineral collection.

Asami Seto will be Nagi Arato

She is a postgraduate student with specialization in mineralogy. It has a richness of knowledge and experience in minerals and conveys the fun of collecting minerals to Ruri.

Yume Miyamoto will be Yōko Imari

She is a fourth -year college student who belongs to the same mineralogy laboratory as Nagi. Likes to gain knowledge through old books and maps.

Saki Hayashi will be Shōko Seto

Ruri classmate, she seems to be interested in Ruri, who is collecting minerals…

Misuzu Yamada will be ai kasamaru

Ruri classmate, one of the friends who usually play with Ruri.

The production members of the newly named team are:

  • Direction Assistant: Yasuhiko Akiyama;
  • Directors Animation Heads: Mayu Fujii and Kazuhiro ōta;
  • Object Designers: Ayumi Ninomiya and Anzu Nakai;
  • Mineral Project: Cluseller;
  • Art Director: Shunichirō Yoshihara;
  • Art scenario: Kazushi Fujii;
  • Color key artist: makiko doi;
  • Composition and Photography Director: Takuya Ogata;
  • Assembly: Yūji Oka;
  • Sound effects: Takuya Hasegawa;
  • Sound Production: Bit Groooove Promotion.

Ruri NO Hōseki Synopsis

The story follows high school student Ruri, a girl who loves minerals and jewelry. One day she meets the postgraduate student in Mineralogy Nagi, who pulls 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 launched by Kadokawa in Harta in 2019.

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Source : Anime Ruri No Hōseki Anime website

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Copywriter, dedicated to the otaku universe since 2021. Passionate about Shounens, Seinens and Terror Anime, and faithful defender of the theory that shouting the name of the blow makes him stronger!
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