Toyosaki Aki was born October 28, 1986 in Tokushima Prefecture, Japan. She is a voice actress (seiyuu), songstress affiliated with Music Ray'n. She had her first major voice acting roles in 2007, voicing Ninagawa Amuro in Kenkoo Zenrakei Suieibu Umishou and Suu in Shugo Chara!.
Her career as a musician began with her performance of the opening and ending themes of the anime series K-On! in April 2009. In the same month, she and three other voice actresses debuted as the musical group Sphere w