Sora Tokui is a Japanese voice actress and manga artist who made her debut as a voice actress in 2009 as Himemiya in Weiß Survive R. She is a member of the singer group Milky Holmes, formed by the four main voice actresses in the media franchise Tantei Opera Milky Holmes. Similarly, as Nico Yazawa, she is a member of the singer group formed by the nine main voice actresses in the media franchise Love Live! And has released singles under the fictional group name μ's.