They are probably the longest lasting idol group and changed J-Music history when Love Machine came out, inspiring over 1 million japanese people during the recession in the late 90's.
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Top 10 J-Pop Female / Idol groups
#2
Suggested by
Oscar Ortega
Sakura Gakuin
10
#3
Suggested by
Oscar Ortega
Momoiro Clover Z
11
Melissa Graham
8 years ago Report
They changed idol group history, being one of the first groups not to use gravure as it's main appeal, and not using typical idol stereotypes, instead adopting a more original approach. They were also the first all-girl group to perform japan national stadium, only 6 years after their indie debut