Yōko Hikasa (日笠 陽子 Hikasa Yōko) is a Japanese voice actress and singer who voices Weiss Schnee in the Japanese dub of RWBY.[1] She is most well known for her role in High School DxD as Rias Gremory, in K-On! as Mio Akiyama, and in Danganronpa as Kyoko Kirigiri.