My Media
Watchlist
Sign In

The price of a Lifetime Plex Pass is increasing on July 1, 2026.

Get yours at the existing price while you still can.

Buy Now

Koji Hayashi

Writer

Known For

  • Code Blue
    Code Blue3 seasons
  • I'm Home
    I'm Home10 episodes
  • BOSS
    BOSS2 seasons
  • The Vulture
    The Vulture2009
  • Iryu: Team Medical Dragon
    Iryu: Team Medical Dragon4 seasons
  • The Sniffer
    The Sniffer9 episodes
  • Divorce Lawyer
    Divorce Lawyer2 seasons
  • Let Me Call You Father-in-Law
    Let Me Call You Father-in-Law9 episodes
  • Hagetaka: Road to Rebirth
    Hagetaka: Road to Rebirth6 episodes
  • Cops 'n Robbers
    Cops 'n Robbers10 episodes
  • Cold Case ~Shinjitsu no Tobira~
    Cold Case ~Shinjitsu no Tobira~3 seasons
  • Yell
    Yell1 season
  • Night School Teacher, SAKURA
    Night School Teacher, SAKURA10 episodes
  • Emergency Room 24 Hours
    Emergency Room 24 Hours5 seasons
  • Unsung Heroes
    Unsung Heroes1 season

Filmography

2025
Unsung Heroes
2020
Yell
2018
Cops 'n Robbers
2016
Cold Case (JP)
2009
The Vulture · as Screenplay
2008
Code Blue · as Screenplay
2007
ハゲタカ · as Screenplay
2006
Iryu Team Medical Dragon
2004
Divorce Lawyer
1999
Kyumei Byoto 24 Ji · as Screenplay

2016
The Sniffer (2016) · as Script Editor
2016
Otôsan to yobasete · as Teleplay
2015
I'm Home · as Screenstory
2014
Jiken Kyûmeii 2 - IMAT no Kiseki · as Teleplay
2014
Yoru no sensei · as Teleplay
2013
Jiken Kyûmeii: IMAT no Kiseki · as Teleplay
2009
BOSS · as Screenstory