
Quick answer — Misako Tomioka voices Kouka in BEATLESS, Miori Gojou in My Dress-Up Darling, Yamazaki in Slow Loop and 1 more characters.
Misako Tomioka voices Kouka (BEATLESS), Miori Gojou (My Dress-Up Darling), Yamazaki (Slow Loop), Haruka Kaibara (Twin Star Exorcists).
Kouka is voiced in Japanese by Misako Tomioka.