Koutarou Nishiyama
西山宏太朗
زبان: Japanese
زادگاه: Kanagawa Prefecture, Japan
سالهای فعالیت: 2011
♥: 221
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Koutaro Nishiyama is a Japanese voice actor and singer. He is currently affiliated with 81 Produce. In 2018, he won the Best New Actor Award at the 12th Seiyu Awards.
