
Quick answer — Azusa Enoki voices Mion Takamine in Pretty Rhythm: Aurora Dream, Uta Yumeno in Onegai My Melody, Nagisa Saitou in Squid Girl.
Azusa Enoki voices Mion Takamine (Pretty Rhythm: Aurora Dream), Uta Yumeno (Onegai My Melody), Nagisa Saitou (Squid Girl).
Mion Takamine is voiced in Japanese by Azusa Enoki.