
Quick answer — Haruna Ikezawa voices Miyu Yamazaki in Super GALS, Mao Mizusawa in Kimikiss, Yoshino Shimazu in Maria Watches Over Us and 13 more characters.
Haruna Ikezawa voices Miyu Yamazaki (Super GALS), Mao Mizusawa (Kimikiss), Yoshino Shimazu (Maria Watches Over Us), Hiroko Haruna (Hamtaro), Torahamu-chan (Hamtaro), Yayoi Sashirono (Kubikiri Cycle: The Blue Savant and the Nonsense User), Over Self-Conscious Woman (Daily Lives of High School Boys Specials), Shizuka Nanami (Beelzebub) and 8 more.
Miyu Yamazaki is voiced in Japanese by Haruna Ikezawa.