
Quick answer — Mizuki Niizaki voices Shizuku Kusano in Solo Camping for Two, Miyuu in KAIJU GIRL CARAMELISE.
Mizuki Niizaki voices Shizuku Kusano (Solo Camping for Two), Miyuu (KAIJU GIRL CARAMELISE).
Shizuku Kusano is voiced in Japanese by Mizuki Niizaki.