
Quick answer — Chihiro Kusaka voices Nagisa Shirai in Mermaid Melody: Pichi Pichi Pitch Pure, Makoto in Mermaid Melody: Pichi Pichi Pitch, Shuro Tsukasa in Ceres, Celestial Legend and 1 more characters.
Chihiro Kusaka voices Nagisa Shirai (Mermaid Melody: Pichi Pichi Pitch Pure), Makoto (Mermaid Melody: Pichi Pichi Pitch), Shuro Tsukasa (Ceres, Celestial Legend), Gojou (IDOLM@STER: XENOGLOSSIA).
Nagisa Shirai is voiced in Japanese by Chihiro Kusaka.