Kuromiya began working in the entertainment industry around the age of 8, primarily as a junior idol and gravure model
Following her idol career, Rei focused entirely on her band, , which she had actually formed with her sister, Kuromiya Aya, years prior. junior idol rei kuromiya work
As of 2026, Rei Kuromiya has transitioned fully into a professional musician and rock vocalist. Kuromiya began working in the entertainment industry around
Achieved worldwide fame with the "kawaii metal" group alongside Rie Kaneko and wrestler Ladybeard . Rei focused entirely on her band