The band was formed in 2010 in Tokyo , Japan serving as the heavy music club ( 重音部 , Jūonbu ) (sub-unit) of the female idol group Sakura Gakuin , which was also formed that year.
band was formed
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The band was formed in 2010 in Tokyo , Japan serving as the heavy music club ( 重音部 , Jūonbu ) (sub-unit) of the female idol group Sakura Gakuin , which was also formed that year.