
Quick answer — Yuuko Sasamoto voices Kaoru Shimizu in Major S1, Flonne in Netherworld Battle Chronicle: Disgaea, Hinako Tsuwabuki in Ouran High School Host Club and 6 more characters.
Yuuko Sasamoto voices Kaoru Shimizu (Major S1), Flonne (Netherworld Battle Chronicle: Disgaea), Hinako Tsuwabuki (Ouran High School Host Club), Éponine Thénardier (Les Misérables: Shoujo Cosette), Richard (Black Butler), Shader (Chrono Crusade), Lillia Tigres (Elemental Gelade), Aya (Mezzo) and 1 more.
Kaoru Shimizu is voiced in Japanese by Yuuko Sasamoto.