Keigo Koyanagi
Writing · Writer · Screenplay · Series Composition
Born Sep 25, 1983 · Toyama, Japan
Active 2012–present
Keigo Koyanagi (小柳 啓伍, Koyanagi Keigo) is a Japanese scriptwriter and production manager.
Filmography
Clevatess (2025) — Series CompositionThe Rising of the Shield Hero (2019) — Series Composition · WriterOur Love Has Always Been 10 Centimeters Apart. (2017) — WriterThe Pet Girl of Sakurasou (2012) — ScriptGodzilla Singular Point (2021) — Co-Writer · ResearcherSirius the Jaeger (2018) — Series CompositionUltraman Z (2020) — Military ConsultantUltraman Blazar (2023) — Writer · ScreenplayClassroom Crisis (2015) — WriterT・P BON (2024) — ScreenplayDRAGON PILOT: Hisone and Masotan (2018) — Writer · Researcher · Military ConsultantUltraman Trigger: New Generation Tiga (2021) — WriterZorori the Naughty Hero: Heroes of Space (2015) — ScreenplayUnder the Dog (2016) — Screenplay · Series CompositionBrave Bang Bravern! (2024) — Series Composition · WriterThe Lost Village (2016) — Writer119 Emergency Call (2025) — WriterThe Pot of Promise - First Love in Arita (2016) — WriterGO!GO!575 (2014) — Series CompositionRegalia: The Three Sacred Stars (2016) — Series Composition