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.

Cast

Hitomi Sekine

Mano Sakuragi

Reina Kondo

Hiori Kazano

Mayu Mineda

Meguru Hachimiya

Karin Isobe

Kogane Tsukioka

Chisa Suganuma

Mamimi Tanaka

Anna Yamaki

Sakuya Shirase

Runa Narumi

Yuika Mitsumine

Hiyori Kono

Kaho Komiya

Haruka Shiraishi

Chiyoko Sonoda

Mariko Nagai

Juri Saijo

Wakana Maruoka

Rinze Morino

Akiho Suzumoto

Natsuha Arisugawa