
Quick answer — Nao Shiraki voices Karin in Is the Order a Rabbit? BLOOM, Mismis Klass in Our Last Crusade or the Rise of a New World, Akiyama in Brave Witches and 3 more characters.
Nao Shiraki voices Karin (Is the Order a Rabbit? BLOOM), Mismis Klass (Our Last Crusade or the Rise of a New World), Akiyama (Brave Witches), Heiki Matsuyama (Miss KUROITSU from the Monster Development Department), Yoshino Kawaguchi (TAMAYOMI: The Baseball Girls), Yvette (The Promised Neverland Season 2).
Karin is voiced in Japanese by Nao Shiraki.