Junior Idol Rei Kuromiya <RELIABLE>
Rei Kuromiya was a prolific figure in this space. Unlike one-off models, she produced a substantial catalog—over 30 distinct DVD titles before she turned 16. Titles like "Rei-chan no Oshaburi" (Rei-chan's Pacifier) and "Shiroi Mizugi no Rei" (Rei in a White Swimsuit) became collectors' items. Her popularity was driven by a "girl-next-door" authenticity. In interviews and behind-the-scenes footage, she came across as cheerful and playful, which fans found "healing" (iyashi)—a core selling point of the genre.
Today, she is recognized not merely for her past, but as a respected figure in the J-Rock and independent music scene. Key Facts About Rei Kuromiya Born: November 29, 2000 Agency: Charm Pro Band: Vocalist of BRATS Former Groups: LADYBABY, REIRIE (with Rie Kaneko), Me~piyo Years Active: 2008–Present
In November 2017, she officially withdrew from the group (then known as "The Idol Formerly Known as LADYBABY") citing throat issues and personal burnout. Reports suggested she felt "dead inside" during this period due to the pressures of the industry. BRATS (2011–Present): junior idol rei kuromiya
Finally, Kuromiya’s influence can be seen in her musical output. Her work with LADYBABY helped popularize the "kawaii metal" genre internationally, and her evolution into a rock vocalist with BRATS and a pop artist with REIRIE demonstrates her versatility and dedication to her craft. As of 2026, with REIRIE touring nationally and releasing new music, Rei Kuromiya’s career is entering a new phase—one defined not by the controversies of her childhood, but by the artistic merit of her adult work.
, a "kawaii metal" trio featuring Rie Kaneko and the cross-dressing Australian wrestler Nippon Manju : Their debut music video, Nippon Manju Rei Kuromiya was a prolific figure in this space
By 2015, Kuromiya sought an escape from the confining nature of the mainstream junior idol industry. She found it by forming alongside fellow model Rie Kaneko and Australian cross-dressing pro-wrestler/metal singer Ladybeard.
“I know,” Rei replied. “That’s why I need it.” Her popularity was driven by a "girl-next-door" authenticity
: As a junior idol, Kuromiya released numerous image DVDs (such as the Juberai series) and photo books. This sector of Japanese entertainment frequently faces significant Western criticism for exposing minors to adult-oriented media structures.
However, her time with LADYBABY came to an abrupt end. On November 17, 2017, Kuromiya officially left the group, citing profound disillusionment with the rigid demands of mainstream idol culture and ongoing throat issues exacerbated by heavy touring, as detailed on Wikipedia . Musical Transition: BRATS and REIRIE
Through her work with breakout groups like and her rock band BRATS , she transformed herself into a symbol of authentic rebellion, reclaiming her creative autonomy as a punk-infused vocalist. 1. The Early Years: Navigating the Junior Idol System