Quick answer — Azusa Satou voices Ritsuki Koguma in Medalist, Moe in Hinata no Aoshigure, Yuki Fuka in Ai Tenchi Muyo!.
Azusa Satou voices Ritsuki Koguma (Medalist), Moe (Hinata no Aoshigure), Yuki Fuka (Ai Tenchi Muyo!).
Ritsuki Koguma is voiced in Japanese by Azusa Satou.
