Momoiro Clover Z (?????????Z) is a female idol group of selected members from Stardust Promotion Agency's3-B Jr Department. The group formed in 2008 as Momoiro Clover and made their musical debut a year later with the single "Momoiro Punch" under the indies label Happy Music Record. Since the latter half of 2010, Momoiro Clover is signed under major label King Records and is under the sub-label STARCHILD. They were previously signed to Universal Japan earlier in 2010. On April 10, 2011, Hayami Akari graduated from the group and the group decided to be renamed Momoiro Clover Z.