
Quick answer — Rio Mamesaki voices Joanna Elizabeth Stafford in League of Nations Air Force Aviation Magic Band Luminous Witches, Mai Sugano in Kaya-chan Isn't Scary.
Rio Mamesaki voices Joanna Elizabeth Stafford (League of Nations Air Force Aviation Magic Band Luminous Witches), Mai Sugano (Kaya-chan Isn't Scary).
Joanna Elizabeth Stafford is voiced in Japanese by Rio Mamesaki.