During her career, Kuromiya appeared in various Japanese television dramas, such as "Shōjo Manga" (2003), "Kōkō Kyōshi" (2003), and "Yūko to Sora" (2004). She also made appearances in films like "Shōjo no Himitsu" (2004) and "Kimi no Ai ga Tsubasa ni Naru" (2007).
Her work during this period, often characterized as gravure idol modeling, set the stage for her later, more public roles in music. While some observers have noted the exploitative nature of this industry on young individuals, Kuromiya's early work is viewed by fans as the beginning of a long-standing, often turbulent career in the public eye. Rise to Fame: LADYBABY and Miss iD junior idol rei kuromiya
Rei Kuromiya's career has been defined by her ability to evolve. Her decision to leave LADYBABY in late 2017 due to health issues and to focus on her rock music in BRATS was a clear move to shed her "junior idol" past and stake a claim as a serious musician. During her career, Kuromiya appeared in various Japanese
“That’s beneath your current trajectory,” he said, adjusting his glasses. While some observers have noted the exploitative nature