
Quick answer — Asuka Nakase voices Natsumi Asou in Sketchbook ~full color's~, Yuzuko Kurusu in Pani Poni Dash!, Minato Ooba in HYAKKO.
Asuka Nakase voices Natsumi Asou (Sketchbook ~full color's~), Yuzuko Kurusu (Pani Poni Dash!), Minato Ooba (HYAKKO).
Natsumi Asou is voiced in Japanese by Asuka Nakase.