Momoiro Clover Z

ももいろクローバーZ , ももクロ, Momoclo

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Momoiro Clover Z (abbreviated Momoclo) is a four member idol girl group represented by Stardust Promotion under Section 3's 3Bjunior. The group was formed in 2008, originally under the name Momoiro Clover. The group gradually garnered popularity and fanbase following their single debut in 2009 and major debut in 2010.

They are known for their energetic and acrobatic performances, color-coded system and unconventional concepts.
(Source: Momoiro Clover Z Wiki)

Their sister group is Shiritsu Ebisu Chuugaku.