Kôji Yamazaki

2001

• [ ] Fluffy Sexy Boys (Screenplay) 

2003

• [ ] Chikan densha o sawari chijo (Screenplay) 
• [ ] The Gaze of a Beautiful Boy (Screenplay) 

2004

• [ ] Groper Train: Nice Fingers, Wet Feeling (Screenplay) 

2005

• [ ] Chikan densha: Ecchina chijo ni goyôjin! (Screenplay) 

2009

• [ ] 痴漢電車　しのび指は夢気分 (Screenplay) 

2011

• [ ] The Succulent Succubus (Writer) 

2012

• [ ] Onedari kyôen: Shikijô yûrei (Screenplay) 

2013

• [ ] Dirty Mindfreaks (Screenplay) 
• [ ] Milk the Maid (Screenplay) 
• [ ] Shimai sôkan: Itazura na manyû (Screenplay) 
• [ ] Ai-eki-mamire No Hanayome (Screenplay) 

2014

• [ ] Hatsu koi no Tsubomi: Koko kara saki wa dame yo (Screenplay) 
• [ ] Konkatsu uranai: Yukata de chirari (Screenplay) 
• [ ] Jun'ai furin: Kôkotsu no kuchizuke (Screenplay) 
• [ ] Fellowship of the Heavenly Lady Warm Ascension (Screenplay) 

2015

• [ ] Nôsatsu sales: Iyashino ero-shitagi (Writer) 
• [ ] Love Robot: Dripping Sexual Intelligence (Screenplay) 
• [ ] Itazura tenshi: Midare sugata shichihenge (Screenplay) 

2016

• [ ] Meguru kaikan: Ano hi no watashi to etchi shite (Screenplay) 
• [ ] Juku, gyaru, hakusho: Gokuraku jin ô botchi (Screenplay) 

2019

• [ ] Nôsatsu gyômu meirei: Iyarashi share house (Screenplay)