The Idolmaster Cinderella Girls U149 (アイドルマスター シンデレラガールズ U149, Aidorumasutā Shinderera Gāruzu U149, officially stylized as THE iDOLM@STER CINDERELLA GIRLS U149) is a Japanese spin-off manga series of The Idolmaster Cinderella Girls free-to-play simulation video game by Cygames and Bandai Namco Studios. The series is created by Kyowno, focusing on girls under 149 centimeters tall and 12-years-old or younger to be idols. An anime television series adaptation produced by CygamesPictures aired from April to June 2023.
The president of a production agency decides to create a new idol unit titled the Third Entertainment Division to focus on the agency's younger idols who are still in elementary school. With the veteran producers reluctant to get involved with such an unconventional unit, a newly promoted producer is assigned to manage the division. With this unfamiliar situation thrust upon him, the producer decides to create a stage for his idols that nobody has seen before.
The manga began serialization on October 15, 2016. On May 11, 2024, it was announced that the manga would be ending.[4]
The anime adaptation was announced during the final concert in "The Idolmaster Cinderella Girls 10th Anniversary Magical Wonderland!!!" tour on April 3, 2022.[22] It was directed by Manabu Okamoto, who was also the sound director, with Hiroyuki Takashima served as assistant director, Oki Murayama handled the scripts, Norie Igawa designed the characters for animation, Nippon Columbia produced the music, Makoto Miyazaki composed the music score and CygamesPictures animates the series.[2] The opening theme song is "Shine In The Sky☆", performed by the titular in-story U149 idol unit.[23]
The series aired from April 6 to June 29, 2023.[2] An original video animation featuring two additional stories was bundled the release of the series' fourth Blu-ray.[24] Crunchyroll streamed the series,[25] while Plus Media Networks Asia broadcast the series in Southeast Asia.[26]