
Quick answer — Emi Motoi voices Chouun Shiryuu in Koihime†Musou, Naoko Yanagisawa in Cardcaptor Sakura, Ai in InuYasha the Movie 4: Fire on the Mystic Island and 1 more characters.
Emi Motoi voices Chouun Shiryuu (Koihime†Musou), Naoko Yanagisawa (Cardcaptor Sakura), Ai (InuYasha the Movie 4: Fire on the Mystic Island), Mio Kuniyoshi (DRAMAtical Murder).
Chouun Shiryuu is voiced in Japanese by Emi Motoi.