A pop-up store for “The Idolmaster SideM,” a male idol training and management game developed by Bandai Namco Entertainment, will be held in Tokyo and Osaka from September 4 to September 27, 2026. (*Dates may vary by location.)
The “The Idolmaster SideM” pop-up store will feature a wide selection of new merchandise featuring event-exclusive illustrations from the “Teddy’s Collection Ver.”
Additionally, for every 2,000 yen (tax included) spent on merchandise, customers will receive one randomly selected, newly illustrated “Original Postcard” (9 varieties total) as a bonus!
The Idolmaster SideM Pop-Up Store in Tokyo/Osaka: Details
Merchandise

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

THE IDOLM@STER™ & ©Bandai Namco Entertainment Inc.
Purchase Bonus – Original Postcards (9 varieties total, randomly selected)
The Idolmaster™ Pop-Up Store in Tokyo/Osaka Opens September 4!
| Official Website | Special Page |
|---|---|
| Venue | [Tokyo] September 4, 2026 (Fri) – September 13, 2026 (Sun) [Osaka] September 18, 2026 (Fri) – September 27, 2026 (Sun) |
| Event Dates | [Tokyo] Shinjuku Marui Annex [Osaka] Namba Marui |
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📣お仕事のご連絡
─────────『Teddy's Collection II』開催決定✨
Jupiter、Beit、もふもふえんがクマのぬいぐるみをモチーフにしたブランドのモデルを務めます🧸
🎀特別仕様のコラボサイトはこちら🎀https://t.co/QNSSwS4VE0#315お仕事報告 お待ちしています! pic.twitter.com/xNDfnJ8GyS
— アイドルマスター SideM【ブランド公式】 (@SideM_official) August 21, 2026
Please check the official website for details.
*Please note that the information in this article may be outdated. We apologize for the inconvenience, but please check the official website for the latest information.
THE IDOLM@STER™ & ©Bandai Namco Entertainment Inc.




















































