by Fans of That Time I Got Reincarnated as a Slime are in for a special treat as brand-new merchandise featuring exclusive Japanese-style bunny outfit illustrations has been announced.
The new goods collection stars fan-favorite characters:
- Rimuru Tempest
- Milim Nava
- Shuna
- Shion
The merchandise will be available in advance at 100 GEO stores across Japan as part of a limited-time fair celebrating the anime’s fourth season.
The newly drawn illustrations combine traditional Japanese aesthetics with stylish bunny-themed costumes, creating one of the franchise’s most eye-catching merchandise collections yet.
Tensura Continues Its Worldwide Popularity
Known among fans as “Tensura,” That Time I Got Reincarnated as a Slime remains one of the biggest isekai anime franchises in the world.
The series began as a web novel by:
Fuse
Published on the popular Japanese novel platform:
Shosetsuka ni Narou
The story follows a man who is reincarnated into another world as a slime monster and eventually becomes the powerful ruler:
Rimuru Tempest
Using intelligence, diplomacy, and unique abilities, Rimuru builds friendships and creates a peaceful nation where humans and monsters can coexist.
Massive Success of the Franchise
The Tensura franchise has continued to expand rapidly over the years.
As of December 2025:
- Total worldwide circulation surpassed 56 million copies
- Includes novels, manga, and spin-offs
- One of the highest-selling modern isekai franchises
The anime adaptation first aired in:
- October 2018
Since then, the series has grown into a major multimedia franchise with:
- Multiple TV anime seasons
- Movies
- Games
- Merchandise collaborations
- International streaming popularity
Season 4 and New Movie Increase Fan Excitement
The latest merchandise release comes during an especially exciting period for the franchise.
Following the conclusion of Season 3 in 2024:
- A fourth anime season was officially announced
- A second theatrical movie was confirmed
The upcoming movie:
That Time I Got Reincarnated as a Slime: Tears of the Azure Sea
is scheduled for release on February 27, 2026.
Meanwhile, Season 4 of the TV anime has already begun airing, bringing even more attention to the franchise.
New Japanese-Style Bunny Costume Illustrations
The newly released merchandise features original artwork created exclusively for this event.
The designs combine:
- Traditional Japanese-inspired fashion
- Elegant kimono-style details
- Modern bunny-girl aesthetics
- Bright seasonal colors
Fans are especially praising:
- Rimuru’s elegant and playful design
- Milim’s energetic expression
- Shuna’s graceful appearance
- Shion’s bold and stylish outfit
The mix of Japanese motifs and fantasy styling perfectly matches the colorful world of Tensura.
Merchandise Lineup
The fair includes a large variety of collectible items.
Featured Goods
Acrylic Stands
Perfect for displaying full-body character illustrations.
Acrylic Dioramas
Multi-layered decorative displays featuring the characters.
Life-Size Tapestries
Large-format wall decorations for collectors.
Mouse Pads
Featuring the newly drawn artwork.
Can Badges
Small collectible accessories for bags and ita-bags.
Aurora Acrylic Keychains
Glossy keychains with special shimmering effects.
B2 Tapestries
Large cloth posters featuring the characters.
Die-Cut Stickers
Custom-shaped stickers for laptops, phones, and notebooks.
Clear Files
Practical collectible folders featuring exclusive art.
Special Bonus Campaign
Fans who purchase fair merchandise will also receive exclusive bonus items.
Purchase Bonus
For every:
2,200 yen (tax included)
spent during the fair, customers will receive:
- One random illustration card
These bonus cards are expected to become highly collectible among fans.
GEO Store Fair Details
Event Period
May 15 – June 5, 2026
Location
- Participating GEO stores nationwide
- Approximately 100 locations across Japan
Online Sales Planned After the Event
Fans unable to visit the physical stores will still have another opportunity to purchase the merchandise.
After the GEO store event ends:
- Online sales will begin through:
The online shop will also include:
- The same purchase bonus illustration cards
This announcement has been welcomed by international fans and collectors outside major Japanese cities.
Why Anime Collaboration Merchandise Is So Popular
Anime merchandise events continue to grow in popularity because they allow fans to:
- Collect exclusive artwork
- Support their favorite franchises
- Decorate rooms and gaming spaces
- Display fandom creatively
- Enjoy limited-time character designs
Special themed outfits, like these Japanese-style bunny costumes, are especially popular because they offer fresh interpretations of familiar characters.
Beginner-Friendly Introduction to Tensura
If you are new to anime or isekai series, That Time I Got Reincarnated as a Slime is considered one of the best entry points.
The anime is known for:
- Easy-to-follow storytelling
- Fun world-building
- Lovable characters
- Balanced action and comedy
- Emotional friendships
- Political fantasy elements
Unlike darker fantasy series, Tensura maintains an optimistic and entertaining atmosphere while still delivering exciting battles and character growth.
Final Thoughts
The newest That Time I Got Reincarnated as a Slime merchandise collection perfectly captures the charm and popularity of the franchise.
With stunning Japanese-style bunny outfit illustrations, collectible bonus items, and a wide variety of goods, the event is likely to become one of the most talked-about anime merchandise fairs of the season.
As Tensura continues expanding with Season 4 and its upcoming movie, fans can expect even more collaborations, special events, and exclusive collectibles in the future.
