@
Writing
🎂 1983-09-25
Keigo Koyanagi (小柳 啓伍, Koyanagi Keigo) is a Japanese scriptwriter and production manager.
Series Composition
2025
2019
Writer
2018
Screenplay
2024
Co-Writer
2021
2015
2023
2016
2017
Researcher
Military Consultant
Script
2012
2020
2014
