
Quick answer — Yuiko Tatsumi voices Mio Nishizono in Little Busters!, Ginka Shirokane in Day Break Illusion, Riko Suminoe in kiss×sis (TV) and 18 more characters.
Yuiko Tatsumi voices Mio Nishizono (Little Busters!), Ginka Shirokane (Day Break Illusion), Riko Suminoe (kiss×sis (TV)), Haruka Hasebe (Classroom of the Elite), Nomura (Charlotte), Imouto (Wandering Witch: The Journey of Elaina), Hishi Amazon (Umamusume: Pretty Derby), Ellelaura Fochrosé (Kuma Kuma Kuma Bear - Punch!) and 13 more.
Mio Nishizono is voiced in Japanese by Yuiko Tatsumi.