Which Japanese manga series written and illustrated by Naoki Urasawa, when turned into an anima, did Mami Koyama  have a voice acting part in?
Mami Koyama: Mami Koyama (小山 茉美 , Koyama Mami , born January 17, 1955 in Nishio, Aichi, Japan) is a Japanese voice actress affiliated with Aoni Production. Mami Koyama:  Some of her notable roles in the 1990s and 2000s anime include Balalaika in "Black Lagoon", Talia Gladys in "Gundam Seed", Eva Heinemann in "Monster", and Yōko Itoigawa in "Hyōka". Monster (manga): Monster (モンスター , Monsutā , sometimes referred to as "Naoki Urasawa's "Monster"") is a Japanese manga series written and illustrated by Naoki Urasawa.
Monster