Skip to content
Portrait of Keigo Koyanagi

Writing

Keigo Koyanagi

  • Born Sept. 25, 1983
  • Toyama, Japan
  • 43 years old

Keigo Koyanagi (小柳 啓伍, Koyanagi Keigo) is a Japanese scriptwriter and production manager.

Series

Series Composition

Series
Series

Co-Writer

Series

Series Composition

Series

Series Composition

Series
Series
Movie

Screenplay / Series Composition

Series
Series

Screenplay

Series
Series

Screenplay

Series

Series Composition

Series

Series Composition

Series
Series

Series Composition

Movie
Movie

Screenplay

Series

Script

Series

Military Consultant

Series

Military Consultant

Series

Researcher

Series

Researcher