283 Production Producer Kanshasai ～1.5 Anniversary Festival!!～

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THE IDOLM@STER SHINY COLORS 283 Production Producer Kanshasai ~1.5 Anniversary Festival!!~ (アイドルマスター シャイニーカラーズ 283プロダクション プロデューサー感謝祭 ～1.5 Anniversary Festival!!～) was a one day special concert event that took place on October 27, 2019 in Mori no Hall 21, which was streamed live on Enza's website, Niconico, Youtube, and Periscope. The concert featured voice actresses of Illumination STARS, L'Antica, Houkago Climax Girls, ALSTROEMERIA, and Straylight.