
Quick answer — Yuuki Hirose voices Koharu Hidaka in Hi Score Girl, Curuni Crueciel in From Old Country Bumpkin to Master Swordsman, Kuroumaru Tokisaka in UQ Holder! and 13 more characters.
Yuuki Hirose voices Koharu Hidaka (Hi Score Girl), Curuni Crueciel (From Old Country Bumpkin to Master Swordsman), Kuroumaru Tokisaka (UQ Holder!), Tomoe Akizuki (Minami Kamakura High School Girls Cycling Club), Mai (BanG Dream! It's MyGO!!!!!), Petra Itta (Mobile Suit Gundam: The Witch from Mercury), Ruria (TSUKIMICHI -Moonlit Fantasy- Season 2), Nagano (Honey Lemon Soda) and 8 more.
Koharu Hidaka is voiced in Japanese by Yuuki Hirose.