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 Composition119 Emergency Call (2025) — WriterT・P BON (2024) — ScreenplayBrave Bang Bravern! (2024) — Series Composition · WriterUltraman Blazar (2023) — Writer · ScreenplayGodzilla Singular Point (2021) — Co-Writer · ResearcherUltraman Trigger: New Generation Tiga (2021) — WriterUltraman Z (2020) — Military ConsultantThe Rising of the Shield Hero (2019) — Series Composition · WriterSirius the Jaeger (2018) — Series CompositionDRAGON PILOT: Hisone and Masotan (2018) — Writer · Researcher · Military ConsultantOur Love Has Always Been 10 Centimeters Apart. (2017) — WriterUnder the Dog (2016) — Screenplay · Series CompositionThe Lost Village (2016) — WriterThe Pot of Promise - First Love in Arita (2016) — WriterRegalia: The Three Sacred Stars (2016) — Series CompositionClassroom Crisis (2015) — WriterZorori the Naughty Hero: Heroes of Space (2015) — ScreenplayGO!GO!575 (2014) — Series CompositionThe Pet Girl of Sakurasou (2012) — Script