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Sumio Watanabe
2 series
Sumio Watanabe (渡辺 純央, Watanabe Sumio) is a Japanese anime director from Hyogo Prefecture. He works for Studio Guts.
2 series
Sumio Watanabe (渡辺 純央, Watanabe Sumio) is a Japanese anime director from Hyogo Prefecture. He works for Studio Guts.
