Films written by Yutaka Sō
Akasen maruhi monogatari
1975No ratings yet
Uwaki hyakutai: Wakazuma OL mibôjin
1976No ratings yet- No poster
Japanese Pornography: Kawachi's Erotic Widows
1978No ratings yet 
Shiofuki jô-ô
1975No ratings yet
Mantle Sex: Kill Me in Bed
1982No ratings yet
Jitsuroku: Maruhi tsûkin chijo nikki
1976No ratings yet- No poster
Sexy Partners
1967No ratings yet 
History of Japanese Evil and Hatred
1977No ratings yet
Office Lady at Night: Tongue Licking
1981No ratings yet- No poster
Shameful Technique
1967No ratings yet - No poster
Shocking! A Villain's Resume
1976No ratings yet 
Uniform Blackmailer
1979No ratings yet- No poster
Gakusei-zuma
1966No ratings yet 
- No poster
Confession of a Virgin: I Want to Be Number Two
1978No ratings yet - No poster
Modern Female Ninja: Flesh Hell
1968No ratings yet 
The High School Girl Who Knew Too Much
1969No ratings yet
Inpu nobori ryû
1976No ratings yet
Virgin blues: Nurete sayônara
1979No ratings yet