A collaboration cafe for the popular smartphone game 100 Sleeping Princes and the Kingdom of Dreams (abbreviated as Yume100) is set to open at eeo Cafe from Saturday, April 25 to Thursday, May 7, 2026. Alongside the cafe event, a range of new merchandise has been released, with online orders available through the eeo Store online shop starting Wednesday, March 18.
The new goods lineup features 16 princes including Saiga, Crown, and others from the "10th Anniversary Ver." official visuals and mini character illustrations. In-store pickup reservations via eeo Store online were accepted from March 18 to March 24, with items available for pickup at eeo Cafe from April 25 onward.
Event Information
Merchandise (Online)
- Available from: March 18, 2026
- Store: eeo Store online
Collaboration Cafe
- Dates: April 25 (Sat) to May 7 (Thu), 2026
- Venue: eeo Cafe (1F, JK7, 1-9-21 Minami-Ikebukuro, Toshima-ku, Tokyo 171-0022)
Seat reservations can be made through the eeo Cafe official website (https://eeo.today/graffartcafe/).
Merchandise Overview
The merchandise is split into two illustration styles: official visual and mini character illustration, both using the "10th Anniversary Ver." artwork.
Official Visual – 10th Anniversary Ver.
- Hologram Pin Badges Set 1 (8 designs, blind)
- Hologram Pin Badges Set 2 (8 designs, blind)
- Acrylic Cards Set 1 (8 designs, blind)
- Acrylic Cards Set 2 (8 designs, blind)
- Acrylic Stands (16 designs)
- Acrylic Stand Plates (8 designs)
- Canvas Boards (4 designs)
- Small Goods Cases (4 designs)
Mini Character Illustration – 10th Anniversary Ver.
- Hologram Pin Badges Set 1 (8 designs, blind)
- Hologram Pin Badges Set 2 (8 designs, blind)
- Acrylic Cards Set 1 (8 designs, blind)
- Acrylic Cards Set 2 (8 designs, blind)
- Acrylic Stand Keychains (16 designs)
Each blind item is available as a single random piece or as a complete set with all designs.
Purchase Bonus: Postcard (16 Designs)
For every ¥2,200 (tax included) spent on 100 Sleeping Princes and the Kingdom of Dreams related products in a single transaction (online or in-store), customers receive one random postcard from a set of 16.
Hologram Pin Badges – Official Visual
Set 1 (8 designs: Saiga, Crown, Cleto, Sorbeige, Timpura, Koga, Elfen, Kiel)
Set 2 (8 designs: Iria, Sarasa, Gauche, Toto, Graham, Camilo, Spelvia, Nayuta)
- Set 1: Single ¥572 / Complete set ¥4,576 (tax included)
- Set 2: Single ¥572 / Complete set ¥4,576 (tax included)
These 5.7 cm diameter hologram pin badges feature close-up portraits of the princes. The hologram effect makes them sparkle in the light.
Acrylic Cards – Official Visual
Set 1 (8 designs: Saiga, Crown, Cleto, Sorbeige, Timpura, Koga, Elfen, Kiel)
Set 2 (8 designs: Iria, Sarasa, Gauche, Toto, Graham, Camilo, Spelvia, Nayuta)
- Set 1: Single ¥660 / Complete set ¥5,280 (tax included)
- Set 2: Single ¥660 / Complete set ¥5,280 (tax included)
The thick acrylic cards are sturdy enough to display upright in a rack or stand.
Acrylic Stands – Official Visual
Some designs shown
- Price: ¥1,925 each (tax included)
Each acrylic stand showcases the full "10th Anniversary Ver." official visual for each prince, including their elaborate costumes and signature poses.
Acrylic Stand Plates – Official Visual
Some designs shown
- Price: ¥1,815 each (tax included)
These approximately 12 cm square plates include separate parts that can be detached and assembled into a three-dimensional acrylic stand.
Canvas Boards – Official Visual
Some designs shown
- Price: ¥3,850 each (tax included)
These 18 cm x 14 cm canvas boards bring out the texture of the illustration on a canvas fabric surface.
Small Goods Cases – Official Visual
- Price: ¥880 each (tax included)
Measuring approximately 10 cm x 11 cm x 3 cm, these compact cases are handy for storing accessories such as earrings and rings, or small everyday items.
Hologram Pin Badges – Mini Character Illustration
Set 1 (8 designs: Saiga, Crown, Cleto, Sorbeige, Timpura, Koga, Elfen, Kiel)
Set 2 (8 designs: Iria, Sarasa, Gauche, Toto, Graham, Camilo, Spelvia, Nayuta)
- Set 1: Single ¥572 / Complete set ¥4,576 (tax included)
- Set 2: Single ¥572 / Complete set ¥4,576 (tax included)
The 5.7 cm diameter sparkling hologram pin badges are also available in mini character illustration style.
Acrylic Cards – Mini Character Illustration
Set 1 (8 designs: Saiga, Crown, Cleto, Sorbeige, Timpura, Koga, Elfen, Kiel)
Set 2 (8 designs: Iria, Sarasa, Gauche, Toto, Graham, Camilo, Spelvia, Nayuta)
- Set 1: Single ¥660 / Complete set ¥5,280 (tax included)
- Set 2: Single ¥660 / Complete set ¥5,280 (tax included)
At approximately 7 cm x 9 cm, these cards are portable enough to take out for photo opportunities.
Acrylic Stand Keychains – Mini Character Illustration
Some designs shown
- Price: ¥1,650 each (tax included)
These 2-way items can be inserted into a base to function as an acrylic stand, or used as a keychain by attaching the chain.
Collaboration Cafe Menu
The collaboration cafe at eeo Cafe will feature exclusive collaboration menus inspired by 100 Sleeping Princes and the Kingdom of Dreams. Full menu details and seat reservation information are available on the eeo Cafe official website (https://eeo.today/graffartcafe/).
Menu Order Bonus: Coaster (16 Designs)
Customers who meet any of the following conditions receive a random coaster from a set of 16:
- 1 coaster per collaboration menu item ordered
- 3 coasters per set menu order that includes a collaboration menu item
- 1 coaster per takeaway sweets set (2 pieces, ¥864 tax included) ordered (also available online)
Note: Images are for illustration purposes only and may differ from actual products. Cafe content and schedules are subject to change. Items may sell out. Bonus items are available while supplies last.
(C) GCREST (C)Mynet Games Inc.
