Schedule for the birthday gacha in the smartphone game "Bang Dream! Girls Band Party!" for the month of December 2023:

Dec. 04: Special birthday! & Precious birthday! Gacha with Tae Hanazono (Popping Party)

Dec. 07: Special birthday! & Precious birthday! Gacha with Chiyu Tamade aka Chu2 (RAISE A SUILEN)

Dec. 16: Special birthday! & Precious birthday! Gacha with Toko Kirigaya (Morfonica)

Dec. 27: Special birthday! & Precious birthday! Gacha with Aya Maruyama (Pastel*Palettes)