Unearth Your Style: New ‘Ruri no Hoseki’ Apparel and Goods Shine Bright from COSPA

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Dive into the World of Gems with Character-Inspired T-shirts, “Mineral Collecting” Bags, and More!

Anime enthusiasts, prepare to deepen your connection with the captivating world of “Ruri no Hoseki” (Ruri Rocks)! COSPA, a leading creator of official character merchandise, has unveiled an exciting new lineup of apparel and goods inspired by the popular TV anime. This collection includes T-shirts that replicate those worn by the characters Ruri and Shoko in the series, alongside practical bags perfect for mineral collecting, and stylish pass cases featuring beloved characters.

These new items are currently available for pre-order through COSPA official shops, including the Nijigen COSPA online store, with a planned release in mid-April 2026. The initial pre-order period concludes on February 1, 2026.

Ruri no Hoseki New Goods Collection

Character-Inspired T-shirts

Two standout pieces in the collection are the T-shirts, designed to mirror the attire seen in the anime. Fans can now sport the same iconic looks as their favorite characters.

  • Ruri’s SiO2 T-shirt
    Inspired by the vibrant mint green T-shirt Ruri wears in episode 7, this piece features the “SiO₂” design. Its refreshing color and unique graphic make it a stylish tribute to the series.

    • Release Date: Mid-April 2026

    • Sizes: S/M/L/XL

    • Color: MINT GREEN

    • Price: 3,300 yen (tax included)

    Ruri's SiO2 T-shirt

  • Shoko’s Koi T-shirt
    This crisp white T-shirt is a replica of the one Shoko wears in episode 8, featuring a distinctive “Koi” design. It offers a clean, versatile look that fans can easily incorporate into their everyday wardrobe.

    • Release Date: Mid-April 2026

    • Sizes: S/M/L/XL

    • Color: WHITE

    • Price: 3,300 yen (tax included)

    Shoko's Koi T-shirt

“Mineral Collecting” Themed Bags

For those who appreciate both style and practicality, especially with the series’ theme of geology and exploration, two new tote bags are introduced.

  • Ruri no Hoseki Shoulder Tote
    This durable shoulder tote, made from thick canvas fabric, is perfect for carrying essentials on any adventure, whether it’s a casual outing or a dedicated “mineral collecting” expedition. It features a design that evokes the spirit of treasure hunting.

    • Release Date: Mid-April 2026

    • Size: Approximately 40×34×13cm (depth)

    • Color: NATURAL

    • Price: 2,200 yen (tax included)

    Ruri no Hoseki Shoulder Tote

    Key Features:

    • Made from tough, durable heavy canvas.

    • Long strap allows for comfortable shoulder or cross-body wear.

    • Snap button closure to secure contents.

    • Convenient inner pocket for small items like pass cases or mobile phones.

    • Versatile for events, shopping, or as a secondary bag.

    Shoulder Tote Model View
    Shoulder Tote Inner Pocket

  • Ruri no Hoseki Large Tote
    A robust and spacious tote bag designed for daily use, commuting, or school. Its large capacity and sturdy fabric make it a reliable companion for various occasions.

    • Release Date: Mid-April 2026

    • Size: Approximately 40×48×15cm (depth)

    • Color: NATURAL

    • Price: 1,980 yen (tax included)

    Ruri no Hoseki Large Tote
    Large Tote Model View

Character Pass Cases

Commuters and students can now add a touch of “Ruri no Hoseki” to their daily routines with these convenient pass cases.

  • Tani River Ruri / Arato Nagi Pass Case (with carabiner)
    Featuring beautiful, high-definition full-color prints of Tani River Ruri and Arato Nagi, these faux leather pass cases come with a handy carabiner for easy attachment to bags or keys. The unique pocket window design ensures personal information remains hidden.

    • Release Date: Mid-April 2026

    • Size: Approximately 10.5cm×7cm

    • Price: 1,650 yen each (tax included)

    Tani River Ruri Pass Case
    Arato Nagi Pass Case

    Key Features:

    • Single-pocket pass case design.

    • Special window shape to obscure personal information on cards.

    • Recommended for commuter passes, security cards, or electronic money cards.

    • Equipped with a convenient carabiner for versatile use.

    • Luxurious faux leather material with vivid, full-color printing.

    Pass Case Features

These meticulously crafted items offer fans a tangible connection to the vibrant world of “Ruri no Hoseki.” Carrying these goods will surely add a touch of their favorite anime to everyday life, embodying the spirit of discovery and companionship from the series.

Where to Find Them

The new “Ruri no Hoseki” merchandise is available for pre-order and will be sold at COSPA official shops, including the Nijigen COSPA online store. For more details on the products, visit:

Stay connected with COSPA for updates and other exciting releases:

As anime culture continues its global expansion, these kinds of authentic, character-inspired goods play a crucial role. They not only allow fans to express their passion but also serve as a gateway for new audiences to discover the charm of Japanese animation, ensuring that the magic of series like “Ruri no Hoseki” travels far and wide.

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