This is the special edition of "The Idolm@ster Cinderella Girls U149" Volume 3, including an original CD. Quoted from CyStore below: [Content Introduction] The 3rd Entertainment Division unexpectedly lands a job as the opening act for a live performance!! The leader for their first live is entrusted to the shy Chie Sasaki! She's more enthusiastic than ever, but she struggles with the pressure of being a "leader"...? The small idols and the small new producer take a small, yet big, step forward--! The special edition CD includes a new bonus drama based on the comic's story and a song sung by the idols appearing in this work!!