
Quick answer — MAKO voices Yuu Matsumi in Saki - Episode of Side A, Yurie Hitotsubashi in Kamichu!, Koume in Hanamaru Kindergarten and 11 more characters.
MAKO voices Yuu Matsumi (Saki - Episode of Side A), Yurie Hitotsubashi (Kamichu!), Koume (Hanamaru Kindergarten), Kazumi Aihara (Kyou no Go no Ni (2008)), Akiha Shishidou (The Girl Who Leapt Through Space), Kanna Aoyagi (Koe de Oshigoto), Ichigo Wakaouji (K-ON! Season 2), Lolikko Cutie (Kannagi: Crazy Shrine Maidens) and 6 more.
Yuu Matsumi is voiced in Japanese by MAKO.