Writing
Keigo Koyanagi
September 25 1983- Place of birth: Toyama, Japan
- Gender: Male
- Also known as: 코야나기 케이고, 小柳启伍, 小柳 啓伍
Keigo Koyanagi (小柳 啓伍, Koyanagi Keigo) is a Japanese scriptwriter and production manager.
Keigo Koyanagi (小柳 啓伍, Koyanagi Keigo) is a Japanese scriptwriter and production manager.
