Yutaka Sō

1966

• [ ] Gakusei-zuma (Screenplay) 
• [ ] The Bite (Screenplay) 

1967

• [ ] Girls' Dormitory (Screenplay) 
• [ ] Shameful Technique (Screenplay) 
• [ ] Inmon: Shojo tsuma kantsû (Screenplay) 
• [ ] Attachment of a Virgin (Screenplay) 
• [ ] Sexy Partners (Screenplay) 

1968

• [ ] Modern Female Ninja: Flesh Hell (Writer) 
• [ ] Diary of a Violated Virgin—Female (Screenplay) 
• [ ] The Flesh Clock of Men and Women (Screenplay) 

1969

• [ ] Dark Japanese History: Virginity and Rape (Screenplay) 
• [ ] Hiden: Haragei 18-ban (Screenplay) 
• [ ] Zeppin no tsubo (Screenplay) 
• [ ] Jôji no Atosaki (Screenplay) 
• [ ] Inhuman Man-Killing Goddess (Writer) 
• [ ] Blue Film Woman (Screenplay) 
• [ ] Zeppin no akujo (Writer) 
• [ ] The Secret Story of the Onsen Geisha: Wet Pillow (Screenplay) 
• [ ] The High School Girl Who Knew Too Much (Screenplay) 

1970

• [ ] History of Japanese Night Crawling Customs (Screenplay) 
• [ ] Agony of Petals (Screenplay) 
• [ ] When a Woman is in Agony (Screenplay) 

1971

• [ ] (Secret) Great Japan Obscene Stories Rare Festival (Screenplay) 
• [ ] Sexual Wisdom: Male and Female (Screenplay) 
• [ ] Virgin Thieves (Screenplay) 
• [ ] Itazura shojo (Writer) 

1972

• [ ] Kōshoku samidare onna (Screenplay) 
• [ ] Wet Red Rose (Screenplay) 
• [ ] History of Adultery in Japan (Screenplay) 

1973

• [ ] Apartment Wife: Secret Research Society (Screenplay) 
• [ ] The Blonde and Utamaro: The Lewd Spring (Screenplay) 
• [ ] Forbidden Love Affair (Screenplay) 
• [ ] Pleasure Affair (Screenplay) 
• [ ] A Magnificent Love Affair (Screenplay) 
• [ ] Sex Exchange: Young Wife's Play (Screenplay) 

1974

• [ ] Danchi Tsuma Maruhi Mono Kurabe (Screenplay) 
• [ ] A Magnificent Affair: The Phantom Woman (Screenplay) 
• [ ] Furusato gyoshoku tanbō monzetsu poruno matsuri (Screenplay) 
• [ ] Kigeki poruno: Taxi hanjôki (Screenplay) 

1975

• [ ] 24-Hour Affair: Scream (Screenplay) 
• [ ] Bōsō poruno-zoku on'na kari (suke kari) (Screenplay) 
• [ ] Shiofuki jô-ô (Screenplay) 
• [ ] Hometown Woman Exploration: Pink Valley (Screenplay) 
• [ ] Porno jôhôkyoku: Tôchô (Screenplay) 

1976

• [ ] Jitsuroku: Maruhi tsûkin chijo nikki (Screenplay) 
• [ ] Jitsuroku: Maruhi Toruko jō monogatari (Screenplay) 
• [ ] Shocking! A Villain's Resume (Screenplay) 
• [ ] Zeni-mesu: Tane uma: Bakashi ai (Screenplay) 
• [ ] Inpu nobori ryû (Screenplay) 
• [ ] Ane imôto: Kan (Screenplay) 
• [ ] Salome Tsunoda's Agony and Ball-Breaking (Screenplay) 

1977

• [ ] Monzetsu kôkyû toruko: Jun nama arai (Screenplay) 
• [ ] The Shocking History of the Death Penalty (Screenplay) 
• [ ] Japanese Night Crawl Festival (Screenplay) 
• [ ] Forbidden Affair (Screenplay) 
• [ ] History of Japanese Evil and Hatred (Screenplay) 
• [ ] Porno Exploration: Japanese Spring Tales (Screenplay) 

1978

• [ ] Forbidden Technique to Tie a Lady (Screenplay) 
• [ ] Japanese Pornography: Kawachi's Erotic Widows (Screenplay) 
• [ ] Real Cabaret Performance: 40 Minutes (Screenplay) 
• [ ] Groper Express: Coming Soon (Screenplay) 
• [ ] Confession of a Virgin: I Want to Be Number Two (Screenplay) 
• [ ] Flesh-Bullet Widow (Screenplay) 

1979

• [ ] Chikan zurousu dorobô (Screenplay) 
• [ ] Virgin blues: Nurete sayônara (Screenplay) 
• [ ] Aru aibu!! Zubunure (Screenplay) 
• [ ] Savaged and Ravaged (Screenplay) 
• [ ] Uniform Blackmailer (Screenplay) 
• [ ] Kin'yôbi no mesu inu (Screenplay) 
• [ ] Night Office Lady: Pleasure Room (Screenplay) 
• [ ] Groper Hell (Screenplay) 
• [ ] Bôkan itaburu (Screenplay) 
• [ ] Nippon porno fudoki: Tsugaru hime matsuri (Screenplay) 
• [ ] Bizarre Rose Makeup (Screenplay) 
• [ ] Queen of Gropers (Screenplay) 
• [ ] Female Teacher: Attack (Screenplay) 
• [ ] Couple Rope (Screenplay) 
• [ ] Brutally Punishing a Female College Student (Screenplay) 
• [ ] Night Office Lady Diary: Flesh Doll (Screenplay) 
• [ ] Cruel Document: Prostitution in a House (Screenplay) 
• [ ] Slippery Wife (Screenplay) 
• [ ] Torture Game (Screenplay) 
• [ ] Paradise Widow Play (Screenplay) 
• [ ] 17-Year-Old Document: Prostitution Reserve Force (Screenplay) 
• [ ] Hometown Porn Explorations: Groper Summer Festival (Screenplay) 

1980

• [ ] Tortured Women's Dark History (Screenplay) 
• [ ] Pleasure Doll (Screenplay) 
• [ ] The Scream of a Female Doctor (Screenplay) 
• [ ] Agony!! Pacifier Widow (Screenplay) 
• [ ] New Edition: The Complete Collection of Turkish Japan (Screenplay) 
• [ ] The Crazy Widow (Screenplay) 
• [ ] Mrs. Peeling (Screenplay) 
• [ ] Complete Collection of Naked Women's Pleasure (Screenplay) 

1981

• [ ] Tattooed Slave Wife (Screenplay) 
• [ ] Women's Dormitory (Sexual) Crimes (Screenplay) 
• [ ] Lewd Photo!! White Coat and Rope (Screenplay) 
• [ ] Daylight Assault Game (Screenplay) 

1982

• [ ] Groper Bullet Train (Screenplay) 

1985

• [ ] Red Laboratory: Please Bully Me (Screenplay) 

1990

• [ ] Female Punisher Zebra: Sexy Edition (Screenplay) 
• [ ] Female Punisher Zebra 2: Action Edition (Screenplay) 

1992

• [ ] Drop Out: Supple Female Leopard (Screenplay) 

1997

• [ ] Noctiluca (Screenplay) 

1978

• [ ] Flesh-Bullet Widow (Director) 

1979

• [ ] Aru aibu!! Zubunure (Director) 
• [ ] Female Teacher: Exposed (Director) 
• [ ] Paradise Widow Play (Director) 

1980

• [ ] SM ketteiban: Kusari to mesu inu (Director) 
• [ ] New Edition: The Complete Collection of Turkish Japan (Director) 
• [ ] Complete Collection of Naked Women's Pleasure (Director) 

1981

• [ ] Soft Skin Lynching (Director) 
• [ ] Daylight Assault Game (Director) 
• [ ] The Bizarre Rope Ritual (Director) 

1983

• [ ] Female Teacher: Violated to Death (Director) 
• [ ] Crying Rope, Missing Black Hair (Director) 
• [ ] Apartment Wife: Daytime Prostitute (Director) 

1984

• [ ] Hometown Porn Girl 18! Seeding Festival (Director) 

1985

• [ ] Furusato poruno chikubi korogashi (Director) 

1999

• [ ] Hometown (Producer) 

2001

• [ ] Last Dance: Divorce Ceremony (Executive Producer) 

2004

• [ ] Alumni Association (Producer)