Question: Which Japanese manga series written and illustrated by Naoki Urasawa, when turned into an anima, did Mami Koyama  have a voice acting part in?
Sentence (from "Monster (manga)"): The story revolves around Kenzō Tenma, a Japanese surgeon living in Germany whose life enters turmoil after getting himself involved with Johan Liebert, one of his former patients who is revealed to be a dangerous psychopath.
Relevant evidence: No