The producer responsible for the child idols in the Third Entertainment Section. Despite his childish appearance, he is indeed an adult. He is self-conscious about his small height and childish appearance. He prefers mature idols, but he does his best to help and produce the idols at the Third Entertainment Section. He is voiced by Yuuki Yonai in a drama CDs, and was thus nicknamed YonaiP.

The U149 in the title refers to the aspiring idols at the center of it all: These small girls are ready to make it big! All under 149 centimeters tall, this group of aspiring pop idols dream of performing for thousands of people. But with zero experience, they’ve got a lot of work to do. Not to mention there’s a distractingly cute prince in town! With the help of their rookie producer, who’s just as short, can they stay focused and make it to the top? 
(Source: Crunchyroll, edited) 
 

Note: Announced during DAY 2 of "THE IDOLM@STER CINDERELLA GIRLS 10th ANNIVERSARY M@GICAL WONDERLAND!!!" final tour concert, a TV anime adaptation of the spin-off manga THE iDOLM@STER Cinderella Girls: U149.

[Profile (81produce)](https://www.81produce.co.jp/actor_search/index.php/item?cell003=%E3%82%84%E8%A1%8C&keyword=%E7%B1%B3%E5%86%85&cell028=&cell004=&name=%E7%B1%B3%E5%86%85%E3%80%80%E4%BD%91%E5%B8%8C&id=131) | [Twitte](https://twitter.com/471yuki)

Spin-off manga of THE IDOLM@STER Cinderella Girls, focusing on younger idols. The manga centers around girls under 149 centimeters tall (under about 4-feet, 11-inches) who aspire to be idols despite not having a producer or gigs. However, maybe with a marvelous dress, a marvelous stage, and a marvelous prince ... The new Cinderella story follows these small idols and their small rookie producer. 
(Source: Anime News Network, edited)
 
Note: The chapter count includes 152 chapters released in magazine and 33 extra chapters.

A special commemorating the 10th anniversary of the THE IDOLM@STER Cinderella Girls franchise. The anime features all 190 idols from the series. 

Note: A 6-minute preview "Celebration Animation" of ETERNITY MEMORIES was released on November 28, 2021, first unveiled during Day 2 of "THE IDOLM@STER CINDERELLA GIRLS 10th ANNIVERSARY M@GICAL WONDERLAND TOUR!!!: Celebration Land" live concert. 

The video was reuploaded on September 7, 2022 onto the IDOLM@STER Channel, correcting spelling, omissions, and credits on the initial upload that was on YouTube.

From the popular game "THE IDOLM@STER", comes a petit spinoff cute and soothing 4-koma! The setting is the same 765 Production from the games. One day, 765 Pro idols Ami and Mami bring in the mysterious Petit-dols "Afuu" and "Yukipo"!? More and more Petit-dols gather at the offices where everyone works. Leisurely enjoy their daily lives full of laughs and happenings.

A new episode included in volume 4 of the Blu-ray release featuring Kozue Yusa and Yukimi Sajou.

Producer