Booster Pack The Idolmaster Cinderella Girls

Release date: Fri, Jul 31, 2026
Price: ¥385/ pack Suggested retail price, tax included
Contents: 8 cards per pack / 16 packs per box
Set code: UA55BT

Already released. Popular sets sell out soon after release, so stock differs from shop to shop.

Japanese name

ブースターパックアイドルマスターシンデレラガールズ

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Official product page (Japanese)

Release information comes from the UNION ARENA official site. Last checked: Thu, Oct 29, 2026.

About this product

The Idolmaster Cinderella Girls joins UNION ARENA with cards featuring its idols, including 13 newly illustrated designs showing the characters in special UNION ARENA outfits. The lineup includes Uzuki Shimamura, Rin Shibuya, Mio Honda, Miku Maekawa, Anastasia, Ranko Kanzaki, Syuko Shiomi, Kanade Hayami, Karen Hojo, Mika Jougasaki, Rika Jougasaki, Aiko Takamori and Akane Hino.

Every parallel card features an idol’s signature. Packs may also contain a serial-numbered limited Action Point card at an extremely low rate. The campaign card is planned to include an authentic autograph from a cast member; whether it will appear in reprints has not been confirmed.

Summarized with the help of AI from the official product page. Contents can change before release.

Where to buy it

Card shops near major stations are the most likely to have it in stock. Prices at card shops can be above the suggested retail price, especially for popular sets.

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