Bandai Namco Entertainment’s idol-training mobile game “The Idolmaster Cinderella Girls (DereMas)” is teaming up with SMILE BASE CAFE to present a collaboration café “Rose Tea Parlor” will be held in stages starting October 1, 2026.

Collaboration menu items and merchandise themed around the newly drawn “Rose Tea Parlor” illustration—featuring the characters dressed in rose-patterned dresses—and the “Crescent Princess” illustration will be available.

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Event Overview for The Idolmaster Cinderella Girls “Rose Tea Parlor”

SMILE BASE CAFE has announced the opening of “Rose Tea Parlor,” a collaboration café based on *The Idolmaster Cinderella Girls*.

The theme for the newly drawn illustrations is “Rose Tea Parlor,” featuring characters in rose-patterned dresses, while the theme for the original illustrations is “Crescent Princess.”

*On the final day of each location, only Lunch Session 1 will be open
*The venue for the Seoul Hongdae location is CAFE Re:SPONG
*All prices include tax

Idolmaster Cinderella Girls “Rose Tea Parlor” Collaboration Menu

The collaboration menu features 3 food items, 3 desserts, 6 drinks, and monaka with customizable toppings.

All drinks are non-alcoholic and available for takeout.

Food

Desserts

Drinks

*All drinks are non-alcoholic
*The “Choose Your Own Monaka” item does not include a promotional coaster; it will be served on a separate plate
*Food and desserts, with the exception of Crescent Churros, are not available for takeout
*Items may be sold out depending on supply and other circumstances

Idolmaster Cinderella Girls “Rose Tea Parlor” Collaboration Merchandise

There are six types of merchandise in the lineup.

For random-selection items, you cannot choose the design.

*You cannot purchase merchandise alone
*Notifications regarding out-of-stock items and restocks will be posted on each store’s X account
*Purchase limits may apply if excessive hoarding or similar behavior is observed

Idolmaster Cinderella Girls “Rose Tea Parlor” Promotional Giveaways

There are two types of promotional giveaways: one for food and drink orders and one for payment.

Both are distributed at random; you cannot choose the design.

Food and Beverage Bonus: Random Novelty Coaster

Checkout Bonus: Random Novelty Postcard

*Promotional items may be out of stock; we will not mail them to customers who visit during periods when they are out of stock
*Please verify the number of promotional items you received at the time of pickup. We cannot address this after you leave the store
*The buying and selling of promotional items or merchandise between customers inside the store is prohibited

Idolmaster Cinderella Girls “Rose Tea Parlor” Giveaway Campaign

A giveaway campaign will also be held on social media.

Three winners will be selected by lottery to receive a complete set of all novelty postcards.

*Open to residents of Japan only
*Only winners will via chat from the official X account
*Please be wary of impersonation accounts

DereMasu “Rose Tea Parlor” Business Hours and Reservation Information

Visits are on a reservation-priority basis, and reservations are accepted through each store’s reservation site.

Time slots vary between weekdays and weekends/holidays.

*At check-in, you must present both a valid ID and either your reservation confirmation email or the reservation details from the booking site.
*If you do not arrive within 15 minutes of your reservation time, all subsequent reservations will be canceled.
*Lining up more than 20 minutes before the start time of each session is prohibited.
*You cannot choose your seat; during busy times, you may be seated
* Each person must order at least one item from the collaboration menu
* For payment methods, please check the Payment Methods page
* For other details, please check SMILE BASE CAFE FAQ

Idolmaster Cinderella Girls “Rose Tea Parlor” FAQ

When and where will the Rose Tea Parlor be held?

The Nagoya Sakae location will be open from October 1 to October 5, 2026; the Shinsaibashi location from October 28 to November 4; the Ikebukuro location from November 19 to November 26; and the Seoul Hongdae location from December 10 to December 27.

How do I make a reservation?

Make reservations via the TableCheck reservation site for each location. Reservations opened on September 7, 2026, at 7:00 PM. Details for the Seoul Hongdae location will be announced separately.

What promotional items are available?

Collaboration Menu 1 , you’ll receive one random coaster (out of a total of 16 designs) for every item ordered. For every 2,000 yen spent on merchandise and food/drinks combined, you’ll receive one random postcard (out of a total of 17 designs).

Is takeout available?

You can purchase drinks and merchandise even if you don’t use a table. Food and desserts (excluding Crescent Churros) are not available for takeout, and orders consisting solely of merchandise are not permitted.

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Please check the official website for details.
* The information in this article may be out of date, so please check the official website for the latest details.

THE IDOLM@STER™& ©Bandai Namco Entertainment Inc.