Keiichi Hasegawa

Playwright (6)

• 
  Ultraman Saga 2012
• 
  Ultraman Tiga & Ultraman Dyna & Ultraman Gaia: The Battle in Hyperspace 1999
• 
  Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light 1998
• 
  Ultraman Mebius & Ultra Brothers 2006
• 
  009-1: The End of the Beginning 2013
• 
  Ultraman Cosmos 2001