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The Idolmaster SideM M-Fes 2026 in Winter Wonderland × DECOTTO by Animate Cafe
▸ Pop Culture & Conventions Toshima

The Idolmaster SideM M-Fes 2026 in Winter Wonderland × DECOTTO by Animate Cafe

◇ When

December 1, 2026 – January 12, 2027

Tuesday – Tuesday

⌖ Where · Toshima

DECOTTO by animate cafe

animate Annex 1F, 3-2-1 Higashiikebukuro, Toshima-ku, Tokyo

東京都 豊島区 東池袋3-2-1 アニメイトアネックス1F

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Featuring holiday-themed chibi versions of The Idolmaster SideM idols, the "M-Fes 2026 in Winter Wonderland" event offers special menu items and merchandise. Held at DECOTTO in Ikebukuro from December 1, 2026, to January 12, 2027.
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Anime, manga and game events in Tokyo 2026 Ikebukuro: anime, Sunshine City and open-air stages 2026

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