BRATS was more than just a musical side project; it became the primary outlet for Rei's creative energy. The band's sound was raw, energetic, and unapologetically loud, creating a stark contrast with her more reserved work as a gravure model. With BRATS, Rei and her sister would go on to release several tracks and music videos, even gaining international attention. Notably, the band released a music video for the track "No more No more," which saw them stalking the streets of Hollywood, showcasing their bold and brash style to a global audience.
As a junior idol, Rei has been involved in several high-profile projects, including her role as a member of the popular idol group, E-girls. Her participation in the group has allowed her to collaborate with other talented young artists, further expanding her musical and performance repertoire.
The culmination of Rei Kuromiya's decades-long journey arrived in late 2025 with the announcement that REIRIE would make its . The duo signed with Bandai Namco Music Live’s MoooD Records , a significant step up from their previous indie work. japan junior idol rei kuromiya new
While focusing on REIRIE, Rei continues her work as the vocalist for the rock band alongside her sister, Aya Kuromiya. Rei has noted that she distinguishes between her "idol" role in REIRIE—intended to "give fans a dream"—and her work in BRATS, which focuses on heavy, "dramatic" music and shared philosophies with the audience.
: Includes a Blu-ray of their 2025 "BaD＝DoLL" tour stop in Tokyo. Current Tour: "REIRIE Live Tour 2026 -Amethyst-" BRATS was more than just a musical side
She began as a junior gravure model and singer around age 9 or 10.
For dedicated fans, premium tickets are available for ¥18,000, offering a chance to see Rei and Rie up close in some of Japan's most renowned live houses. Notably, the band released a music video for
As for recent updates, Rei Kuromiya has been active in the Japanese entertainment industry, with various projects and appearances. Some of her recent news includes:
: Includes a Blu-ray of the "JAM" live performance at Kabukicho Tower Stage.
While Rei Kuromiya thrived as a solo model, it was her entry into the world of rock music that would truly define her trajectory. In August 2011, at the age of just ten, she made a bold pivot, stepping into the role of vocalist for a new all-female rock band that would eventually be known as . What made this formation particularly special was its familial nature; the band included her older sister, Aya Kuromiya, on bass guitar, alongside a friend named Hinako on lead guitar.
: The track "AISHITEYO" serves as the lead single, featuring an emotional rock sound produced by Yuki Tsujimura and MEGMETAL.
