
Quick answer — Kaede Yuasa voices Miihi Kurokiwa in Medalist, Karen Ootsuka in My Dress-Up Darling Season 2, Noriko Yoshinaga in Tsuredure Children and 3 more characters.
Kaede Yuasa voices Miihi Kurokiwa (Medalist), Karen Ootsuka (My Dress-Up Darling Season 2), Noriko Yoshinaga (Tsuredure Children), Ayumi Okita (The Case Files of Jeweler Richard), Karen Kiritani (Hina Logic - from Luck & Logic), Yuuna (The Lost Village).
Miihi Kurokiwa is voiced in Japanese by Kaede Yuasa.