
Quick answer — Mai Hashimoto voices Rin Kujou in To Love Ru Darkness, Maochao in Busou Shinki: Armored War Goddess, Yuuna Amatsuka in Baby Princess 3D Paradise 0 [Love].
Mai Hashimoto voices Rin Kujou (To Love Ru Darkness), Maochao (Busou Shinki: Armored War Goddess), Yuuna Amatsuka (Baby Princess 3D Paradise 0 [Love]).
Rin Kujou is voiced in Japanese by Mai Hashimoto.