
Quick answer — Mayu Iino voices Mizuho in MUSHI-SHI The Next Passage 2, Sayaka in Bunny Drop, Caramel in Yumeiro Patissiere and 3 more characters.
Mayu Iino voices Mizuho (MUSHI-SHI The Next Passage 2), Sayaka (Bunny Drop), Caramel (Yumeiro Patissiere), Marisa (Michiko & Hatchin), Shizuka Matsuo (Shiki), Ink (Welcome to THE SPACE SHOW).
Mizuho is voiced in Japanese by Mayu Iino.