In 2015, Rei joined the group alongside Rie Kaneko and Australian wrestler Ladybeard. The group went viral globally with their hit single "Nippon Manju" , which blended "Kawaii" aesthetics with heavy metal. Despite the group's massive success, Rei eventually left in November 2017 , citing throat problems from extensive touring and a growing disillusionment with idol culture. Transition to Rock: BRATS and REIRIE
: She was a prolific model in magazines like Seventeen and Sweet , as well as various idol photo books. rei kuromiya junior idol
Rei Kuromiya debuted in under the agency Charm Pro. As a junior idol, her early work focused on gravure (modeling) and teen-pop musical projects, often alongside her older sister, Aya. During this period, she released media such as: In 2015, Rei joined the group alongside Rie
: Works like "Momo no Hana" (2003) and "Shōjo no Himitsu" (2004) targeted a young teen audience. Transition to Rock: BRATS and REIRIE : She
: She made appearances in several television dramas and music videos early in her career. Rise to International Fame: LADYBABY