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Keigo Koyanagi
Keigo Koyanagi (小柳 啓伍, Koyanagi Keigo) is a Japanese scriptwriter and production manager.
Known For: Writing
Birthday: 1983-09-25
Place of Birth: 日本,富山県
Also Known As: 小柳啓伍, 코야나기 케이고, 小柳启伍