The second season of the anime series "UniteUp!" titled "UniteUp! -Uni:Birth- " is set to premiere on January 11, 2025. This was announced during the "Animate Girls Festival 2024" on September 16. Additionally, a promotional video was released, offering a glimpse into the upcoming season.

Prior to the official broadcast, a special screening of the first episode will take place on January 5, 2025, at SHIBUYA PLEASURE PLEASURE in Tokyo. The event will feature appearances by actors Kikunoshin Toya, Ryotaro Yamaguchi, Amon Hirai, Masazo Sukegawa, Shinnosuke Moriage, Ryuichiro Sakata, Masa, Yuki Shimomae, Takumi Magoshi, Kosei Tsubokura, and Manabu Takamoto. Attendees will also get to experience the premiere of the season's opening theme, "Uni:Birth." Tickets are available for advance purchase via eplus until November 25 at 23:59.

"UniteUp!" is a multi-dimensional idol project by Sony Music, encompassing live performances, series, and music releases. The story follows high school student Akira Kiyose, who, alongside her fellow singers Banri Naoe and Chihiro Isuzugawa, aims to debut as an idol.