She is also a member of FictionJunction and previously collaborated with Yuki Kajiura as FictionJunction WAKANA. Keiko Kubota (窪田啓子, Kubota Keiko?, born December 5, 1985) - vocals. Like Wakana, she is also a member of Kajiura's FictionJunction project and worked alongside her under the name FictionJunction KEIKO.