Japan Junior Idol Rei Kuromiya New [extra Quality] -

Their first major milestone is the upcoming release of their debut EP, Amethyst , on , under Bandai Namco Music Live's MoooD Records . This five-track EP represents a "daring leap into the major-label spotlight" for the duo. The lead single from the EP, "AISHITEYO," was pre-released on streaming platforms on November 26, 2025. A track described as an "emotional rock song exploring themes of love and illusion in the digital age," it was produced by the musical team of Yuki Tsujimura × MEGMETAL, and showcases REIRIE's vocal power. The EP itself, built on a foundation of "guitar rock" also incorporates elements of R&B and alternative, highlighting the "expressive range and vocal contrast" between the two singers.

: Fans and critics describe the new era as a blend of "art nouveau and glam," moving away from traditional idol tropes toward a more independent rock aesthetic. Career Evolution Rei Kuromiya Archives - J-Generation

: "AISHITEYO" and the Amethyst EP are available on major platforms like Apple Music and Spotify. AI responses may include mistakes. Learn more japan junior idol rei kuromiya new

The neon hum of Akihabara felt different tonight for Rei Kuromiya

This momentum culminated in a major career upgrade. REIRIE officially signed with —a prominent sub-label under Bandai Namco Music Live—to launch their major-label discography. The Major Debut EP: Amethyst Their first major milestone is the upcoming release

Citing a severe throat condition and a deep-seated desire for creative freedom, Kuromiya abruptly withdrew from LADYBABY in late 2017. Rebranding with BRATS: Embracing J-Rock

After separating in 2017 when Kuromiya abruptly withdrew from LADYBABY due to throat issues and a desire for creative freedom, she and Rie Kaneko unexpectedly reunited in 2023 to form the independent duo . The project instantly captivated a massive, primarily female fanbase drawn to their gothic aesthetics and fierce independence. A track described as an "emotional rock song

: Cultivated a dedicated underground following due to her distinct visual aesthetic, which balanced classical kawaii features with an intense, independent gaze.

: Kuromiya began working in the entertainment industry around age 8, originally gaining attention as a junior idol and gravure model LADYBABY (2015–2017)

Moving away from both pure metal and typical pop, REIRIE explores a darker, "chika" (underground) aesthetic with an edgy electronic sound.