KEIKO

Keiko Kubota (窪田啓子, Kubota Keiko, born December 5, 1985), who goes by the mononymous stage name Keiko (stylized all caps) is a Japanese pop singer. She is one of the vocalists of the FictionJunction project started by Yuki Kajiura, and was a core member of the vocal group Kalafina which ran for ten years from 2008 to 2018.