The IDOLM@STER Cinderella Girls U149

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.