
Quick answer — Hiroko Taguchi voices Miyako Miyamura in ef ~ A Tale of Memories, Amane Suou in The Fruit of Grisaia, Haruna Yuuki in FORTUNE ARTERIAL: Akai Yakusoku and 5 more characters.
Hiroko Taguchi voices Miyako Miyamura (ef ~ A Tale of Memories), Amane Suou (The Fruit of Grisaia), Haruna Yuuki (FORTUNE ARTERIAL: Akai Yakusoku), Lisa Eostre (Walkure Romanze), Gisela (Kyo Kara Maoh! - God (?) Save Our King!), Maina (Elemental Gelade), Yutsuki Onomiya (Mashiroiro Symphony), Hiromi Sakura (Lamune).
Miyako Miyamura is voiced in Japanese by Hiroko Taguchi.