Hikasa Yoko is a Japanese voice actress and singer, born on September 18, 1985, in Nagoya, Japan. She is affiliated with the talent agency Sony Music Artists and is known for her versatile voice and ability to portray a wide range of characters in anime and video games. Yoko gained popularity for her role as Mio Aoyama in the anime series K-On!, which significantly boosted her career. In addition to voice acting, she has released several singles and albums, showcasing her singing talent and contributing to her recognition in the Japanese entertainment industry.