Kirino Miyu is a former member of Niji no Conquistador and YUION, and a former founding member of WILL-O'. She is on Niji no Conquistador's Blue Team.

She graduated from WILL-O' on March 31, 2021 and joined Niji no Conquistador on April 11, 2021. She joined YUION on August 2, 2023.

She graduated from Niji no Conquistador, left her agency DEARSTAGE and retired from the entertainment industry on August 31, 2025.