
Quick answer — Mami Kingetsu voices Miharu in Gasaraki, Lum in Kaiba, Suzue Okonogi in Den-noh Coil and 6 more characters.
Mami Kingetsu voices Miharu (Gasaraki), Lum (Kaiba), Suzue Okonogi (Den-noh Coil), Shion Yamane (Detective Conan: Full Score of Fear), Cobalt Claw (Re: Cutie Honey), Miss Merry Christmas (One Piece: The Desert Princess and the Pirates, Adventures in Alabasta), Bonney (One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!), Asahi no Haha (LOVE FLOPS) and 1 more.
Miharu is voiced in Japanese by Mami Kingetsu.