
Quick answer — Kumi Sakuma voices Mika Asagi in Gungrave, Momoko Koigakubo in Ghost Stories, Lettuce Midorikawa in Tokyo Mew Mew and 15 more characters.
Kumi Sakuma voices Mika Asagi (Gungrave), Momoko Koigakubo (Ghost Stories), Lettuce Midorikawa (Tokyo Mew Mew), Momo Hinamori (BLEACH: Thousand-Year Blood War), Sachie Ishida (Magical Girl Lyrical Nanoha: The Movie 2nd A's), Ciel (Carnival Phantasm), Michiko Hirota (Texhnolyze), Neko Arc Bubbles (Fate/Grand Carnival) and 10 more.
Mika Asagi is voiced in Japanese by Kumi Sakuma.