
Quick answer — Ai Yamamoto voices Asako Kobayakawa in Summer Time Rendering, Kokoro Misaki in Amanchu! ~Advance~, Paragranum in Smile of the Arsnotoria the Animation and 1 more characters.
Ai Yamamoto voices Asako Kobayakawa (Summer Time Rendering), Kokoro Misaki (Amanchu! ~Advance~), Paragranum (Smile of the Arsnotoria the Animation), Minami Senju (Pastel Memories).
Asako Kobayakawa is voiced in Japanese by Ai Yamamoto.