Mieko Matsuki (松木 美愛子, Matsuki Mieko; September 14, 1977 – October 27, 2015), better known by her stage name Miyu Matsuki (松来 未祐, Matsuki Miyu), was a Japanese voice actress and singer from Kure, Hiroshima, best known for her work in anime. She was affiliated with 81 Produce at the time of her death. (Via Wikipedia)