
Quick answer — Honoka Kuroki voices Runa Hoshi in Food for the Soul, Haruka in Artiswitch, Mona in RPG Real Estate and 4 more characters.
Honoka Kuroki voices Runa Hoshi (Food for the Soul), Haruka (Artiswitch), Mona (RPG Real Estate), Iroha Akishika (TEPPEN!!!!!!!!!!!!!!! Laughing 'til You Cry), Inukai (A Centaur's Life), Sakuya Sieglinde (The Demon Sword Master of Excalibur Academy), Ruise Sanjou (Seiren).
Runa Hoshi is voiced in Japanese by Honoka Kuroki.