Quick answer — Yuu Sasahara voices Emilico in SHADOWS HOUSE, Yayoi Houzuki in Dark Gathering, Yuuki Kuroiwa in Diary of Our Days at the Breakwater and 14 more characters.
Yuu Sasahara voices Emilico (SHADOWS HOUSE), Yayoi Houzuki (Dark Gathering), Yuuki Kuroiwa (Diary of Our Days at the Breakwater), Akari Amano (Ms. vampire who lives in my neighborhood.), Puniru (Puniru is a Kawaii Slime), Rin Namiki (Kandagawa Jet Girls), Curren Chan (Umamusume: Pretty Derby - Beginning of a New Era), Shiro (Chiikawa) and 9 more.
Emilico is voiced in Japanese by Yuu Sasahara.
