
Quick answer — Tamaki Nakanishi voices Orihime Minashiro in Fafner Exodus, Tsubaki Minashiro in Fafner, Ruka Asato in Accel World and 3 more characters.
Tamaki Nakanishi voices Orihime Minashiro (Fafner Exodus), Tsubaki Minashiro (Fafner), Ruka Asato (Accel World), Shin (Prétear: The New Legend of Snow White), Hayato (.hack//Legend Of The Twilight), Ai Nanao (Kanokon: The Girl Who Cried Fox).
Orihime Minashiro is voiced in Japanese by Tamaki Nakanishi.