Wakana Okuma (大熊 和奏, Ōkuma Wakana, born April 13, 2001) is a Japanese voice actress and singer currently affiliated with Ken Production. She is best-known for her role as Shiki Wakana, member of fictional idol group Liella! in the Love Live! Superstar!! media franchise. In late 2024, she launched her solo music project under the name Spileben.
Source: “Wakana Okuma”, English Wikipedia (CC BY-SA 4.0), excerpt