
Quick answer — Madoka Kimura voices Sana Hidaka in Myself; Yourself, Madoka Kimura in Seiyu's Life!, Kimie Sugawara in Otoboku: Maidens are Falling for Me and 1 more characters.
Madoka Kimura voices Sana Hidaka (Myself; Yourself), Madoka Kimura (Seiyu's Life!), Kimie Sugawara (Otoboku: Maidens are Falling for Me), Yuuna Akashi (UQ Holder!).
Sana Hidaka is voiced in Japanese by Madoka Kimura.